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# Index: S

s command (ed) : sed & awk, 2.1. Awk, by Sed and Grep, out of Ed
s command (sed)
  sed & awk, 5.3. Substitution
  UNIX in a Nutshell, Chapter 10, Reference: s
  script.tidy using : UNIX Power Tools, 51.6. Cleaning script Files
.s filename extension : UNIX Power Tools, 1.17. Filename Extensions
sact command (SCCS) : UNIX in a Nutshell, Chapter 17, Reference: sact
sadp command : UNIX Power Tools, 39.12.3. The I/O Subsystem
sample programs : sed & awk, Sample Programs
sar utility : UNIX Power Tools, 39.12.2. The Memory Subsystem
save command (dbx) : UNIX in a Nutshell, Chapter 20, Reference: save
savedirs shell variable : UNIX Power Tools, 14.6. The Shells' pushd and popd Commands
savehist shell variable
  UNIX Power Tools, 6.9. Special C Shell Variables
  UNIX Power Tools, 11.11. Picking Up Where You Left Off
  UNIX in a Nutshell, 5.3.3. Predefined Shell Variables
saving command lines to file : UNIX Power Tools, 1.5. Anyone Can Program the Shell
saving files
  Learning the vi Editor, 1.1.3. Saving and Quitting a File
  (see also vi commands)
saving output
  sed & awk, 2.3.2.1. Saving output
  sed & awk, 4.3. Testing and Saving Output
  sed & awk, 10.5. Directing Output to Files and Pipes
sc program
  UNIX Power Tools, 49.8. It's Great to Have a Spreadsheet
  UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
  advantages : UNIX Power Tools, 49.8. It's Great to Have a Spreadsheet
  commands : UNIX Power Tools, 49.8. It's Great to Have a Spreadsheet
  disadvantages : UNIX Power Tools, 49.9. Business Graphics with ipl
  ipl program used with : UNIX Power Tools, 49.9. Business Graphics with ipl
  Microsoft Excel compared to : UNIX Power Tools, 49.8. It's Great to Have a Spreadsheet
  printing from
    UNIX Power Tools, 49.8. It's Great to Have a Spreadsheet
    UNIX Power Tools, 49.9. Business Graphics with ipl
scale command : UNIX Power Tools, 49.1. bc: Simple Math at the Shell Prompt
SCCS (Source Code Control System)
  UNIX Power Tools, 20.12. Protecting Files with SCCS or RCS
  UNIX in a Nutshell, 17.6. sccs and Pseudo-commands
  UNIX in a Nutshell, 17. The SCCS Utility
  commands and psuedo-commands : UNIX in a Nutshell, 17.5. Alphabetical Summary of SCCS Commands
  keywords for : UNIX in a Nutshell, 17.3. Identification Keywords
  RCS commands equivalents : UNIX in a Nutshell, 18.4. Conversion Guide for SCCS Users
sccsdiff command (SCCS) : UNIX in a Nutshell, Chapter 17, Reference: sccsdiff
schedules : (see calendar command)
SCO : Learning the Korn Shell, 1.9.5. Control Keys
scope control (tawk) : sed & awk, 11.3.2.1. Tawk language extensions
scp shell function : UNIX Power Tools, 10.10. Simulated Bourne Shell Functions and Aliases
scratchpad, creating in terminal windows : UNIX Power Tools, 48.3. A Scratchpad on Your Screen
screen : (see terminals)
screen editors
  Learning the vi Editor, 1. The vi Text Editor
  (see also vi editor)
screen program
  UNIX Power Tools, 3.7. Detaching a Session with screen
  UNIX Power Tools, 12.9. Running Multiple Shell Sessions with screen
  UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
screen variable : UNIX Power Tools, 42.5. Checklist: Screen Size Messed Up?
screen, printing files to : (see also displaying)
  cat command : Learning the UNIX Operating System, 3.2.1. cat
  more utility
    Learning the Korn Shell, 1.7.3. Pipelines
    Learning the Korn Shell, 3.4.2.4. Terminal Types
    Learning the Korn Shell, 8.5. Coroutines
    Learning the UNIX Operating System, 3.2.2. more
    Learning the UNIX Operating System, 5.2.3. pg and more
    UNIX Power Tools, 9.19. For the Impatient: Type-Ahead
    UNIX Power Tools, 25.3. Using more to Page Through Files
    UNIX in a Nutshell, Chapter 2, Reference: more
    starting : UNIX Power Tools, 38.3. Managing Processes: Overall Concepts
    testing with screensize file : UNIX Power Tools, 42.6.2. Screen Width and Height: screensize
  pg utility
    Learning the UNIX Operating System, 3.2.3. pg
    Learning the UNIX Operating System, 5.2.3. pg and more
    UNIX in a Nutshell, Chapter 2, Reference: pg
  pr command
    Learning the Korn Shell, 9.2.3.3. Breakpoints
    Learning the UNIX Operating System, 4.5.1. pr
    UNIX Power Tools, 35.17. Making Text in Columns with pr
    UNIX Power Tools, 43.7. Quick-and-Dirty Formatting Before Printing
    UNIX Power Tools, 43.10. Filename Headers Above Files Without pr
    UNIX in a Nutshell, Chapter 2, Reference: pr
    -n option
      Learning the Korn Shell, 9.2.3.3. Breakpoints
      UNIX Power Tools, 25.21. Numbering Lines
    -t option : UNIX Power Tools, 25.21. Numbering Lines
    -t -e command : UNIX Power Tools, 41.4.1. TAB Is Just Another Character to UNIX
screensize file
  UNIX Power Tools, 42.6.2. Screen Width and Height: screensize
  UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
Scribe program : UNIX Power Tools, 43.12.3. Scribe
script command : UNIX in a Nutshell, Chapter 2, Reference: script
script interpreters : (see shells)
script program
  UNIX Power Tools, 13.9. Send Output Two or More Places with tee
  UNIX Power Tools, 51.5. Copy What You Do with script
  ending : UNIX Power Tools, 51.5. Copy What You Do with script
  examples : UNIX Power Tools, 51.5. Copy What You Do with script
  running with lastcomm : UNIX Power Tools, 39.6. lastcomm: What Commands Are Running and How Long Do They Take?
script.tidy script
  UNIX Power Tools, 51.6. Cleaning script Files
  UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
  examples : UNIX Power Tools, 51.6. Cleaning script Files
  setting control characters : UNIX Power Tools, 51.6. Cleaning script Files
scripts
  Learning the vi Editor, 7.4. Using ex Scripts
  sed & awk, 2.1. Awk, by Sed and Grep, out of Ed
  sed & awk, 2.2. Command-Line Syntax
  sed & awk, 2.2.1. Scripting
  sed & awk, B.1.1. Shell Wrapper for Invoking awk
  (see also ex commands)
  (see shell scripts)
  built by diff : Learning the vi Editor, 7.4.5. ex Scripts Built by diff
  built-in commands implemented as : Learning the Korn Shell, 4.1. Shell Scripts and Functions
  comments in
    Learning the Korn Shell, 4.3.1. Syntax of String Operators
    Learning the vi Editor, 7.4.4. Comments in ex Scripts
  debugging : sed & awk, 10.7. Debugging
  examples of : sed & awk, 13. A Miscellany of Scripts
  as files : sed & awk, 2.3.2. Script Files
  format of : sed & awk, B.2.2. Format of a Script
  modularizing : sed & awk, 10.7.3. Finding Out Where the Problem Is
  names for : sed & awk, 2.2. Command-Line Syntax
  order of precedence in command lookup
    Learning the Korn Shell, 4.1.1. Functions
    Learning the Korn Shell, 7.3. Command-line Processing
  passing parameters to : sed & awk, 7.10. Passing Parameters Into a Script
  phrase (example script) : sed & awk, 6.5. To Join a Phrase
  running : Learning the Korn Shell, 4.1. Shell Scripts and Functions
  sort text blocks : Learning the vi Editor, 7.4.3. Sorting Text Blocks: A Sample ex Script
  stopping, sed : (see q command (sed))
SCROLL LOCK button : UNIX Power Tools, 42.2.1. Output Stopped?
scrolling : Learning the vi Editor, 3.1. Movement by Screens
  with cursor stationary (z) : Learning the vi Editor, 3.1.2. Repositioning the Screen with z
  error messages : UNIX Power Tools, 13.4. Problems Piping to a Pager
  turning off : Learning the UNIX Operating System, 1.4. The Unresponsive Terminal
SCSI tapes : UNIX Power Tools, 20.6. Writing a Tape Drive on a Remote Machine
SD (Send Data) light : UNIX Power Tools, 42.2.4. Stalled Data Connection?
sdb debugger
  Learning the Korn Shell, 10.2.2. ulimit
  UNIX in a Nutshell, Chapter 2, Reference: sdb
  UNIX in a Nutshell, 20.1. The Sdb Debugger
sdiff command
  UNIX Power Tools, 28.4. Side-by-Side diffs: sdiff
  UNIX Power Tools, 28.6. Choosing Sides with sdiff
  UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
  UNIX in a Nutshell, Chapter 2, Reference: sdiff
searching : (see finding)
searching (vi)
  and replace
    Learning the vi Editor, 6.2. Context-sensitive Replacement
    Learning the vi Editor, 6.4.2. Block Move by Patterns
  backward for a pattern (?) : Learning the vi Editor, 3.3.1. Repeating Searches
  combine opening a file with : Learning the vi Editor, 4.2.1. Advancing to a Specific Place
  for general class of words : Learning the vi Editor, 6.4.1. Search for General Class of Words
  global : (see global replacement)
  ignoring case
    Learning the vi Editor, 6.3.2. Metacharacters Used in Replacement Strings
    Learning the vi Editor, 7.1.1. The :set Command
    Learning the vi Editor, 7.1.4. Some Useful Options
  matched brackets : Learning the vi Editor, 7.5.2. A Special Search Command
  metacharacters treated like normal characters : Learning the vi Editor, 7.1.4. Some Useful Options
  pattern matching
    Learning the vi Editor, 3.3. Movement by Searches
    Learning the vi Editor, 6.3. Pattern-matching Rules
    (see also global replacement)
  repeat (n, N)
    Learning the vi Editor, 3.3.1. Repeating Searches
    Learning the vi Editor, 6.1. Confirming Substitutions
  within current line : Learning the vi Editor, 3.3.2. Current Line Searches
  wrapping around file
    Learning the vi Editor, 3.3.1. Repeating Searches
    Learning the vi Editor, 7.1.4. Some Useful Options
search path
  UNIX Power Tools, 2.13. A .cshrc.$HOST File for Per Host Setup
  UNIX Power Tools, 44.3.4. Shell Search Paths
  for awk files : sed & awk, 11.2.3.2. An awk program search path
  setting : UNIX Power Tools, 8.7. Setting Your Search Path
  specifying : UNIX Power Tools, 1.10. Internal and External Commands
search-and-replace : sed & awk, 1.2. A Stream Editor
  matching extent : sed & awk, 3.2.12.1. The extent of the match
search.el file
  UNIX Power Tools, 32.8. Rational Searches
  UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
secondary prompts : UNIX Power Tools, 9.13. Multiline Commands, Secondary Prompts
SECONDS shell variable
  Learning the Korn Shell, 3.4.3.1. Miscellaneous Variables
  UNIX in a Nutshell, 4.3.2. Built-in Shell Variables
secret keys
  decrypting : UNIX in a Nutshell, Chapter 2, Reference: keylogin
  deleting : UNIX in a Nutshell, Chapter 2, Reference: keylogout
secure network services
  decrypting secret keys in : UNIX in a Nutshell, Chapter 2, Reference: keylogin
  deleting secret keys in : UNIX in a Nutshell, Chapter 2, Reference: keylogout
security
  Learning the Korn Shell, Summary of Korn Shell Features
  Learning the Korn Shell, 3.2.1. Tracked Aliases
  Learning the Korn Shell, 10.3. System Security Features
  circumventing write access : UNIX Power Tools, 22.11. A Loophole: Modifying Files Without Write Access
  clear command and : UNIX Power Tools, 22.18. Clear Your Terminal for Security, to Stop Burn-in
  encryption : (see encryption)
  Korn shell features pertaining to : Learning the Korn Shell, 10.3. System Security Features
  permissions : (see permissions)
  problem with PATH
    Learning the Korn Shell, 3.4.2.5. Command Search Path
    Learning the Korn Shell, 10.3.2. A System Break-in Scenario
  restricted shell : (see restricted shell)
  rm command and : UNIX Power Tools, 23.2. rm and Its Dangers
  suid interactive shells : Learning the Korn Shell, 10.3.2. A System Break-in Scenario
  Trojan horse schemes : Learning the Korn Shell, 10.3.2. A System Break-in Scenario
sed editor
  Learning the Korn Shell, 1.7.1. Standard I/O
  Learning the Korn Shell, 4.3.2. Patterns and Regular Expressions
  Learning the Korn Shell, 4.3.2.2. Korn shell versus awk/egrep regular expressions
  Learning the Korn Shell, 10.1. Installing the Korn Shell as the Standard Shell
  UNIX Power Tools, 2.12. Automatic Setups for Different Terminals
  UNIX Power Tools, 34.1. Two Things You Must Know About sed
  UNIX Power Tools, 43.21. Preprocessing troff Input with sed
  sed & awk, 1.2. A Stream Editor
  sed & awk, 2.3. Using sed
  UNIX in a Nutshell, Chapter 2, Reference: sed
  UNIX in a Nutshell, 10. The Sed Editor
  UNIX in a Nutshell, 10.4.1. Basic Editing
  addressing : UNIX Power Tools, 34.4. sed Addressing Basics
  addup script using : UNIX Power Tools, 49.7. Total a Column with addup
  with awk : sed & awk, 2.5. Using sed and awk Together
  branch command
    UNIX Power Tools, 34.19. Making Edits Everywhere Except...
    UNIX Power Tools, 34.24.3. Alphabetical Summary of sed Commands
  C shell and quoting : UNIX Power Tools, 34.23. sed Newlines, Quoting, and Backslashes in a Shell Script
  checksed script : UNIX Power Tools, 34.3.1. checksed
  command-line syntax
    UNIX Power Tools, 34.2. Invoking sed
    sed & awk, 2.2. Command-Line Syntax
    sed & awk, A.1. Command-Line Syntax
    sed & awk, 5.1. About the Syntax of sed Commands
  commands for
    UNIX Power Tools, 34.24. Quick Reference: sed
    UNIX Power Tools, 43.21. Preprocessing troff Input with sed
    sed & awk, 5. Basic sed Commands
    sed & awk, 5.1. About the Syntax of sed Commands
    sed & awk, 6. Advanced sed Commands
    sed & awk, A.3. Command Summary for sed
    UNIX in a Nutshell, 10.3. Syntax of Sed Commands
    (see also under specific command)
  delimiters
    UNIX Power Tools, 34.7. Delimiting a Regular Expression
    UNIX Power Tools, 45.35. Using a Control Character in a Script
  documentation for : sed & awk, Other Sources of Information About sed and awk
  -e option : UNIX Power Tools, 48.2. Online Phone and Address Lists
  ed versus : sed & awk, 2.1. Awk, by Sed and Grep, out of Ed
  edit non-matching lines : UNIX Power Tools, 34.19. Making Edits Everywhere Except...
  editing scripts : UNIX Power Tools, 1.6. Power Tools for Editing
  error messages : sed & awk, 2.3.1.1. Command garbled
  eval combined with : UNIX Power Tools, 45.30.4. Using sed
  examples
    UNIX Power Tools, 44.14. Putting awk, sed, etc., Inside Shell Scripts
    UNIX Power Tools, 45.30.4. Using sed
    UNIX Power Tools, 48.2. Online Phone and Address Lists
    UNIX Power Tools, 50.3. apropos on Systems Without apropos
    UNIX Power Tools, 51.3. ASCII Characters: Listing and Getting Values
  executing files using commands : UNIX Power Tools, 45.5. A File That Shows Itself... and What #! Does
  -f option : UNIX Power Tools, 45.3. Don't Need a Shell for Your Script? Don't Use One
  fixing PATH : UNIX Power Tools, 4.10. Find All Command Versions with whereiz
  hold space : UNIX Power Tools, 34.13. Hold Space: The Set-Aside Buffer
  multiline delete : UNIX Power Tools, 34.18. Multiline Delete
  multiple matches on a line : UNIX Power Tools, 34.11. Search & Replacement: One Match Among Many
  -n option : UNIX Power Tools, 45.30.4. Using sed
  next command
    UNIX Power Tools, 34.15. Making Edits Across Line Boundaries
    UNIX Power Tools, 34.24.3. Alphabetical Summary of sed Commands
  obtaining : sed & awk, Availability of sed and awk
  options
    sed & awk, 2.3.1. Specifying Simple Instructions
    sed & awk, 2.3.2.4. Summary of options
    (see also under specific option)
  order dependency : UNIX Power Tools, 34.5. Order of Commands in a Script
  organizing scripts : UNIX Power Tools, 4.3. Organizing Nonexecutable Scripts
  parsing using : UNIX Power Tools, 45.30.4. Using sed
  pattern space
    UNIX Power Tools, 34.13. Hold Space: The Set-Aside Buffer
    UNIX Power Tools, 34.15. Making Edits Across Line Boundaries
  pattern-matching metacharacters : UNIX in a Nutshell, 6.2. Metacharacters, Listed by UNIX Program
  patterns split across lines : UNIX Power Tools, 34.17. Searching for Patterns Split Across Lines
  programming tips for : sed & awk, 4.5. Getting to the PromiSed Land
  quick reference : sed & awk, A.1. Command-Line Syntax
  quit command
    UNIX Power Tools, 34.21. Uses of the sed Quit Command
    UNIX Power Tools, 34.24.3. Alphabetical Summary of sed Commands
  quoting control characters : UNIX Power Tools, 34.8. Newlines in a sed Replacement
  regular expression metacharacters : sed & awk, A.2.2. Regular Expression Metacharacters for sed
  referenced matched string : UNIX Power Tools, 34.9. Referencing the Search String in a Replacement
  runsed script : UNIX Power Tools, 34.3.2. runsed
  search-and-replace examples : UNIX in a Nutshell, 6.4.1. Examples of Searching and Replacing
  substitution commands : UNIX Power Tools, 45.35. Using a Control Character in a Script
  test command : UNIX Power Tools, 34.20. The sed Test Command
  transform command
    UNIX Power Tools, 34.12. Transformations on Text
    UNIX Power Tools, 34.14. Transforming Part of a Line
    UNIX Power Tools, 34.24.3. Alphabetical Summary of sed Commands
sedman script : UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
"segmentation fault (core dumped)" error message : UNIX Power Tools, 50.12. Common UNIX Error Messages
segmentation violation : UNIX Power Tools, 38.8. What Are Signals?
select
  Learning the Korn Shell, Summary of Korn Shell Features
  Learning the Korn Shell, 5.4. select
  Learning the Korn Shell, 6.3. Arrays
  Learning the Korn Shell, 7.2.2.4. Reading User Input
  Learning the Korn Shell, A.1. The Bourne Shell
  Learning the Korn Shell, A.2. The IEEE 1003.2 POSIX Shell Standard
  description : Learning the Korn Shell, 5.4. select
  lists of names in : Learning the Korn Shell, 5.4. select
  PS3 prompt in : Learning the Korn Shell, 5.4. select
  redirecting I/O to : Learning the Korn Shell, 7.2.2.2. I/O Redirection and multiple commands
  syntax : Learning the Korn Shell, 5.4. select
select command (ksh, sh) : UNIX in a Nutshell, Chapter 4, Reference: select
selecting columns from files : UNIX in a Nutshell, Chapter 2, Reference: cut
self-restarting jobs : UNIX Power Tools, 40.8. Automatically Restarting at Jobs
semaphore sets, removing : UNIX in a Nutshell, Chapter 2, Reference: ipcrm
semicolon : (see )
sending email messages
  Learning the UNIX Operating System, 3.4.1. Sending Mail
  UNIX in a Nutshell, Chapter 2, Reference: mailx
  to all users : UNIX in a Nutshell, Chapter 2, Reference: wall
serial line
  UNIX Power Tools, 5.7. What termcap and terminfo Do and Don't Control
  UNIX Power Tools, 42.1. Making Sense Out of the Terminal Mess
service grades, listing : UNIX in a Nutshell, Chapter 2, Reference: uuglist
sessions
  customizing : UNIX in a Nutshell, 3.2.2. Customization of Your UNIX Session
  detaching : UNIX Power Tools, 3.7. Detaching a Session with screen
  recording : UNIX in a Nutshell, Chapter 2, Reference: script
  unresponsive (hung) : Learning the UNIX Operating System, 1.4. The Unresponsive Terminal
set command
  UNIX Power Tools, 6.8. Shell Variables
  UNIX Power Tools, 14.10. Variables Help You Find Directories and Files
  UNIX Power Tools, 44.19. The Bourne Shell set Command
  UNIX in a Nutshell, Chapter 4, Reference: set
  UNIX in a Nutshell, Chapter 5, Reference: set
  UNIX in a Nutshell, Chapter 9, Reference: set
  UNIX in a Nutshell, Chapter 20, Reference: set
  -A (array assignment)
    Learning the Korn Shell, 6.3. Arrays
    Learning the Korn Shell, 6.3.3. String Formatting Options
  arguments to : UNIX Power Tools, 44.19. The Bourne Shell set Command
  -e option : UNIX Power Tools, 46.6. Watch Out for Bourne Shell -e Bug
  examples
    UNIX Power Tools, 44.18. Standard Command-Line Parsing
    UNIX Power Tools, 44.19. The Bourne Shell set Command
    UNIX Power Tools, 45.17. Making a for Loop with Multiple Variables
    UNIX Power Tools, 45.36. Shell Lockfile
    UNIX Power Tools, 48.7. cal That Marks Today's Date
  listing variables : UNIX Power Tools, 6.1. What Environment Variables Are Good For
  +o (turn off option)
    Learning the Korn Shell, 3.3. Options
    Learning the Korn Shell, 9.1.1. Set Options
  -o (turn on option)
    Learning the Korn Shell, 3.3. Options
    Learning the Korn Shell, 9.1.1. Set Options
    Learning the Korn Shell, A.1. The Bourne Shell
  options
    Learning the vi Editor, 7.1. Customizing vi
    Learning the vi Editor, 7.1.1. The :set Command
  output of in next ksh release : Learning the Korn Shell, A.7. The Future of the Korn Shell
  parsing using : UNIX Power Tools, 45.30.3. Using set
  quoting : UNIX Power Tools, 44.19. The Bourne Shell set Command
  wildcards : UNIX Power Tools, 44.19. The Bourne Shell set Command
  -xv option : UNIX Power Tools, 46.1.1. Use -xv
:set command (vi) : UNIX in a Nutshell, 8.10.1. The :set Command
set directory command : UNIX Power Tools, 30.35. Out of Temporary Space? Use Another Directory
set echo command : UNIX Power Tools, 2.16. Approved Shells: Using Unapproved Login Shell
set line numbers (:set nu) : Learning the vi Editor, 2.2.3. Movement Within a Line
set noglob command : UNIX Power Tools, 5.4. Setting the TERMCAP Variable with tset
set nonomatch command : UNIX Power Tools, 3.4. Automatic File Cleanup
set options
  allow metacharacters in searches (:set magic) : Learning the vi Editor, 7.1.4. Some Useful Options
  alphabetical list of : Learning the vi Editor, B. Setting Environment Options
  assign a value : Learning the vi Editor, 7.1.1. The :set Command
  autoindent (:set ai) : Learning the vi Editor, 7.5.1. Indentation Control
  display tabs (:set list) : Learning the vi Editor, 7.5.1. Indentation Control
  exrc : Learning the vi Editor, 7.1.3. Alternate Environments
  ignore case (:set ic)
    Learning the vi Editor, 7.1.1. The :set Command
    Learning the vi Editor, 7.1.4. Some Useful Options
  number lines (:set nu)
    Learning the vi Editor, 3.4. Movement by Line Number
    Learning the vi Editor, 3.4.1. The G (Go To) Command if
    Learning the vi Editor, 5.2.2. Defining a Range of Lines
  paragraphs (:set para=) : Learning the vi Editor, 3.2. Movement by Text Blocks
  sections (:set sect=) : Learning the vi Editor, 3.2. Movement by Text Blocks
  shiftwidth (:set sw=) : Learning the vi Editor, 7.5.1. Indentation Control
  show matching brackets (:set sm) : Learning the vi Editor, 7.5.2. A Special Search Command
  tabstop (:set ts=) : Learning the vi Editor, 7.5.1. Indentation Control
  turn on or off : Learning the vi Editor, 7.1.1. The :set Command
  window size (:set w=) : Learning the vi Editor, 7.1.1. The :set Command
  wrapmargin (:set wm=)
    Learning the vi Editor, 2.1. vi Commands
    Learning the vi Editor, 2.2.3. Movement Within a Line
    Learning the vi Editor, 2.3.8.1. Repeat
    Learning the vi Editor, 7.1.4. Some Useful Options
    map example : Learning the vi Editor, 7.3.5. More Examples of Mapping Keys
  wrapscan (:set ws)
    Learning the vi Editor, 3.3.1. Repeating Searches
    Learning the vi Editor, 7.1.4. Some Useful Options
set prompt test
  UNIX Power Tools, 2.5.1. Quick Login
  UNIX Power Tools, 2.9. Speeding Up Your C Shell with set prompt Test
set verbose echo command : UNIX Power Tools, 40.4. Choosing the Shell Run (We Hope) by at
setenv command (csh) : UNIX in a Nutshell, Chapter 5, Reference: setenv
setenv command (dbx) : UNIX in a Nutshell, Chapter 20, Reference: setenv
setgid bit : UNIX Power Tools, 22.5. Group Permissions in a Directory with the setgid Bit
setprompt alias : UNIX Power Tools, 7.11. dirs in Your Prompt: Better than $cwd
setterm command : Learning the UNIX Operating System, 3.6. Customizing Your Account
setup alias : UNIX Power Tools, 2.5.2. A Second Alias and Command File
setup files : (see configuration files)
  storing information : UNIX Power Tools, 47.5. Using C Shell Arrays
SGID (set group ID) bit
  UNIX Power Tools, 1.23. File Access Permissions
  UNIX Power Tools, 1.25. Access to Directories
sh (Bourne shell)
  Learning the Korn Shell, Preface
  Learning the Korn Shell, Summary of Korn Shell Features
  Learning the Korn Shell, 1.3. History of UNIX Shells
  Learning the Korn Shell, 1.3.1. The Korn Shell
  Learning the Korn Shell, 1.3.2. Features of the Korn Shell
  Learning the Korn Shell, 1.4. Getting the Korn Shell
  Learning the Korn Shell, 2. Command-line Editing
  Learning the Korn Shell, 3.3. Options
  Learning the Korn Shell, 4.1.1. Functions
  Learning the Korn Shell, 4.2. Shell Variables
  Learning the Korn Shell, 4.3.2. Patterns and Regular Expressions
  Learning the Korn Shell, 4.4. Command Substitution
  Learning the Korn Shell, 5.1.3.1. String comparisons
  Learning the Korn Shell, 5.4. select
  Learning the Korn Shell, 6.1.3. getopts
  Learning the Korn Shell, 6.2. Integer Variables and Arithmetic
  Learning the Korn Shell, 7.1. I/O Redirectors
  Learning the Korn Shell, 7.1.2. File Descriptors
  Learning the Korn Shell, 8.5.4. Coroutines with Two-way Pipes
  Learning the Korn Shell, 9. Debugging Shell Programs
  Learning the Korn Shell, 10.1. Installing the Korn Shell as the Standard Shell
  Learning the Korn Shell, A. Related Shells
  Learning the Korn Shell, A.1. The Bourne Shell
  Learning the Korn Shell, A.2. The IEEE 1003.2 POSIX Shell Standard
  Learning the Korn Shell, A.4. pdksh
  Learning the Korn Shell, A.5. bash
  UNIX Power Tools, 1.8. There Are Many Shells
  UNIX Power Tools, 1.33. UNIX Networking and Communications
  UNIX Power Tools, 38.3. Managing Processes: Overall Concepts
  UNIX Power Tools, 42.2.5. Aborting Programs
  UNIX Power Tools, 44.2. Writing a Simple Shell Program
  UNIX Power Tools, 44.3.3. Types of Shells
  UNIX in a Nutshell, Chapter 2, Reference: sh
  UNIX in a Nutshell, 4. The Bourne Shell and Korn Shell
  UNIX in a Nutshell, Chapter 20, Reference: sh
  (see also rsh utility)
  { } filename wildcards, adding
  accidental logouts : UNIX Power Tools, 3.6. Stop Accidental Bourne Shell Logouts
  advantages : UNIX Power Tools, 44.3.3. Types of Shells
  aliases : UNIX Power Tools, 10.9. Shell Functions
  arrays in : UNIX Power Tools, 45.34. Arrays in the Bourne Shell
  background processing
    UNIX Power Tools, 1.27. How Background Processing Works
    UNIX Power Tools, 1.28. Some Gotchas with Background Processing
  commands
    list of : UNIX in a Nutshell, 4.6. Built-in Commands (Bourne and Korn Shell)
    multiline commands : UNIX Power Tools, 9.13. Multiline Commands, Secondary Prompts
  C shell compared to
    UNIX Power Tools, 44.3.3. Types of Shells
    UNIX Power Tools, 47.1. Why Not?
    UNIX Power Tools, 47.2. C Shell Programming Considered Harmful
  case statements
    UNIX Power Tools, 2.12. Automatic Setups for Different Terminals
    UNIX Power Tools, 44.5. Test String Values with Bourne Shell case
  command lines as scripts
    UNIX Power Tools, 44.2. Writing a Simple Shell Program
    UNIX Power Tools, 44.15. Handling Command-Line Arguments in Shell Scripts
  comments in scripts
    UNIX Power Tools, 44.2. Writing a Simple Shell Program
    UNIX Power Tools, 45.9. The Unappreciated Bourne Shell ":" Operator
  compared to ksh and csh : UNIX in a Nutshell, 3.5. Differing Features
  conditional expressions : UNIX Power Tools, 44.8. Test Exit Status with the if Statement
  creating empty file : UNIX Power Tools, 21.7. Setting File Modification Time with touch
  date formats : UNIX Power Tools, 7.12. External Commands Send Signals to Set Variables
  debugging scripts
    UNIX Power Tools, 44.8. Test Exit Status with the if Statement
    UNIX Power Tools, 46.1. Tips for Debugging Shell Scripts
  -e option : UNIX Power Tools, 46.6. Watch Out for Bourne Shell -e Bug
  ending scripts : UNIX Power Tools, 44.11. Set Exit Status of a Shell (Script)
  example scripts
    UNIX Power Tools, 44.2. Writing a Simple Shell Program
    UNIX Power Tools, 44.3.5. Bourne Shell Used Here
    UNIX Power Tools, 44.4. Testing How Your System Executes Files
    UNIX Power Tools, 44.5. Test String Values with Bourne Shell case
    UNIX Power Tools, 44.7. Exit Status of UNIX Processes
    UNIX Power Tools, 44.8. Test Exit Status with the if Statement
    UNIX Power Tools, 44.9. Testing Your Success
    UNIX Power Tools, 44.10.1. Looping Until a Command Succeeds
    UNIX Power Tools, 44.11. Set Exit Status of a Shell (Script)
  executing scripts
    UNIX Power Tools, 40.4. Choosing the Shell Run (We Hope) by at
    UNIX Power Tools, 44.4. Testing How Your System Executes Files
  features of : UNIX Power Tools, 44.3.5. Bourne Shell Used Here
  grouping commands : UNIX Power Tools, 13.8. Using {list} to Group Bourne Shell Commands
  hangups in : UNIX Power Tools, 38.18. nohup
  ignoreeof variable : UNIX Power Tools, 3.5. Stop Accidental C Shell Logouts
  interrupted : UNIX Power Tools, 45.8. Handling Signals to Child Processes
  invoking shell : UNIX in a Nutshell, 4.8. Invoking the Shell
  job control : UNIX in a Nutshell, 4.7. Job Control
  jot command used in : UNIX Power Tools, 45.11. The Multipurpose jot Command
  logging out of : UNIX Power Tools, 3.2. Running Commands at Bourne/Korn Shell Logout
  loops in
    UNIX Power Tools, 9.12. The Bourne Shell for Loop
    UNIX Power Tools, 44.10. Loops That Test Exit Status
  mail notification : UNIX Power Tools, 21.8.2. For Bourne Shell Users
  number crunching in : UNIX Power Tools, 45.11. The Multipurpose jot Command
  overriding environment variables : UNIX Power Tools, 6.10. Running a Command with a Temporarily Different Environment
  path names in scripts : UNIX Power Tools, 44.2. Writing a Simple Shell Program
  pipelines in : UNIX Power Tools, 47.2.1.4. More Elaborate Combinations
  .profile file : UNIX Power Tools, 2.2.1. Bourne Shell
  quoting in
    UNIX Power Tools, 8.14. Bourne Shell Quoting
    UNIX Power Tools, 47.2.4. Quoting
  random number generators : UNIX Power Tools, 45.11. The Multipurpose jot Command
  reading .profile file : UNIX Power Tools, 5.6. Checklist: Terminal Hangs When I Log In
  reading arguments : UNIX Power Tools, 8.13. Is It "2>&1 file" or "> file 2>&1"? Why?
  redirecting input/output
    UNIX Power Tools, 13.1. Using Standard Input and Output
    UNIX Power Tools, 13.3. Send (only) Standard Error Down a Pipe
  replacing with C shells
    UNIX Power Tools, 45.6. Making Sure Your Script Runs with Bourne Shell, Without #!
    UNIX Power Tools, 45.7. The exec Command
  running scripts in
    UNIX Power Tools, 44.3.5. Bourne Shell Used Here
    UNIX Power Tools, 45.6. Making Sure Your Script Runs with Bourne Shell, Without #!
  script file extension : UNIX Power Tools, 1.17. Filename Extensions
  setting restrictions on
    UNIX in a Nutshell, Chapter 2, Reference: rsh
    UNIX in a Nutshell, 4.9. Restricted Shells
  simulated functions and aliases : UNIX Power Tools, 10.10. Simulated Bourne Shell Functions and Aliases
  special characters/operators in : UNIX Power Tools, 8.19. "Special" Characters and Operators
  standard input : UNIX Power Tools, 47.2.1.2. Reading Files
  standard output : UNIX Power Tools, 47.2.1.4. More Elaborate Combinations
  string editing operators : UNIX Power Tools, 45.12. Parameter Substitution
  trapping signals
    UNIX Power Tools, 7.12. External Commands Send Signals to Set Variables
    UNIX Power Tools, 47.2.3. Signals
  tset command : UNIX Power Tools, 5.3. Setting the Terminal Type When You Log In
  -v option : UNIX Power Tools, 6.9. Special C Shell Variables
  variables
    UNIX Power Tools, 6.8. Shell Variables
    UNIX Power Tools, 47.2.5. Variable Syntax
    UNIX in a Nutshell, 4.3. Variables
    environment variables
      UNIX Power Tools, 6.3. Predefined Environment Variables
      UNIX Power Tools, 47.2.5. Variable Syntax
    tracing : UNIX Power Tools, 8.17. verbose and echo Variables Show Quoting
  -x option : UNIX Power Tools, 6.9. Special C Shell Variables
.sh filename extension : UNIX Power Tools, 1.17. Filename Extensions
.sh_logout file : UNIX Power Tools, 3.6. Stop Accidental Bourne Shell Logouts
SH_EXECD environment variable : UNIX Power Tools, 2.16. Approved Shells: Using Unapproved Login Shell
sh_init : UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
  on PowerTools disk : UNIX Power Tools, 50.8. Which Version Am I Using?
sh_logout : UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
SHACCT shell variable : UNIX in a Nutshell, 4.3.3. Other Shell Variables
.shar filename extension : UNIX Power Tools, 1.17. Filename Extensions
shar files
  UNIX Power Tools, 19.2. Introduction to Shell Archives
  UNIX Power Tools, 52.8.2.4. Unsharring the Sources
  uuencoded : UNIX Power Tools, 11.3. My Favorite Is !$
shar program
  UNIX Power Tools, 19.2. Introduction to Shell Archives
  UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
shareable files : UNIX Power Tools, 52.5.3.1. Directory Structure
shared memory identifiers, removing : UNIX in a Nutshell, Chapter 2, Reference: ipcrm
SHAREPREFIX, CD-ROM : UNIX Power Tools, 52.8.1. Running the Build Scripts
sharing files : Learning the UNIX Operating System, 3.3. Protecting and Sharing Files
shebang : (see #! notation)
shell aliases : Learning the UNIX Operating System, 7.2. Shell Aliases and Functions
shell archives
  UNIX Power Tools, 19.2. Introduction to Shell Archives
  UNIX Power Tools, 19.4. A Simple Version of unshar
  filename extension : UNIX Power Tools, 1.17. Filename Extensions
  with GNU tar : UNIX Power Tools, 19.6. GNU tar Sampler
shell characters (emacs) : UNIX in a Nutshell, 7.2.11. Special Shell Characters
shell command (ex) : UNIX in a Nutshell, Chapter 9, Reference: shell
shell compilers : Learning the Korn Shell, 9. Debugging Shell Programs
shell escapes : UNIX Power Tools, 30.26. Shell Escapes: Running One UNIX Command While Using Another
  starting a subshell : UNIX Power Tools, 38.4. Subshells
shell functions : UNIX Power Tools, 10.9. Shell Functions
  simulated : UNIX Power Tools, 10.10. Simulated Bourne Shell Functions and Aliases
shell metacharacters : (see metacharacters/wildcards)
shell parameters, with simulated functions : UNIX Power Tools, 10.10. Simulated Bourne Shell Functions and Aliases
shell prompt
  Learning the UNIX Operating System, 1.1.2. Logging In
  Learning the UNIX Operating System, 1.1.5. The Shell Prompt
shell prompts
  backspacing over : UNIX Power Tools, 41.5. Why Some Systems Backspace over Prompts
  PS1, PS2 variables : UNIX Power Tools, 6.3. Predefined Environment Variables
  setting : UNIX Power Tools, 7.1. Why Change Your Prompt?
  typing commands at : UNIX Power Tools, 38.3. Managing Processes: Overall Concepts
shell scripts
  UNIX Power Tools, 1.12. What Makes a Shell Script?
  UNIX Power Tools, 38.4. Subshells
  UNIX Power Tools, 44.1. Everyone Should Learn Some Shell Programming
  UNIX Power Tools, 44.3.2. Interactive Use vs. Shell Scripts
  UNIX in a Nutshell, 3.2.3. Programming
  (see scripts)
  arguments passed to : UNIX Power Tools, 1.5. Anyone Can Program the Shell
  for background processes : UNIX in a Nutshell, Chapter 2, Reference: wait
  commenting
    UNIX Power Tools, 44.14. Putting awk, sed, etc., Inside Shell Scripts
    UNIX Power Tools, 45.2. The Story of : # #!
  control characters in : UNIX Power Tools, 45.35. Using a Control Character in a Script
  directories : UNIX Power Tools, 1.10. Internal and External Commands
  on enclosed CD-ROM : UNIX Power Tools, 52.1. Introduction
  -f option
    UNIX Power Tools, 45.2. The Story of : # #!
    UNIX Power Tools, 45.3. Don't Need a Shell for Your Script? Don't Use One
  for loop : Learning the vi Editor, 7.4.1. Looping in a Shell Script
  here documents : Learning the vi Editor, 7.4.2. Here Documents
  highlighting prompts issued by : UNIX Power Tools, 41.10. Using terminfo Capabilities in Shell Programs
  interrupted : UNIX Power Tools, 44.12. Trapping Exits Caused by Interrupts
  job control via : UNIX in a Nutshell, Chapter 2, Reference: jsh
  naming : UNIX Power Tools, 44.21. Picking a Name for a New Command
  nonexecutable : UNIX Power Tools, 4.3. Organizing Nonexecutable Scripts
  permissions
    UNIX Power Tools, 22.19. Shell Scripts Must be Readable and (Usually) Executable
    UNIX Power Tools, 44.2. Writing a Simple Shell Program
    (see also permissions)
  reading files line-by-line : UNIX Power Tools, 45.22. Handling Files Line-by-Line
  reading from standard input
    UNIX Power Tools, 45.24. A Shell Can Read a Script from its Standard Input, But...
    UNIX Power Tools, 45.25. Shell Scripts On-the-Fly from Standard Input
  reading from terminal : UNIX in a Nutshell, Chapter 2, Reference: line
  running
    UNIX Power Tools, 45.2. The Story of : # #!
    UNIX Power Tools, 45.3. Don't Need a Shell for Your Script? Don't Use One
    UNIX Power Tools, 45.6. Making Sure Your Script Runs with Bourne Shell, Without #!
    UNIX in a Nutshell, Chapter 2, Reference: lptest
  running as a daemon : UNIX Power Tools, 38.11. Printer Queue Watcher: A Restartable Daemon Shell Script
  self-printing : UNIX Power Tools, 45.4. Fun with #!
  self-removing
    UNIX Power Tools, 45.4. Fun with #!
    UNIX Power Tools, 45.10. Removing a File Once It's Opened - for Security and Easy Cleanup
  self-renaming : UNIX Power Tools, 45.4. Fun with #!
  sourceable : UNIX Power Tools, 10.5. Sourceable Scripts
  sourcing : UNIX Power Tools, 44.23. Reading Files with the . and source Commands
  submitting for execution at a later time : UNIX Power Tools, 40.3. The at Command
  terminfo capabilities in : UNIX Power Tools, 41.10. Using terminfo Capabilities in Shell Programs
  throwaway : UNIX Power Tools, 9.15. Throwaway Scripts for Complicated Commands
  variables set by : UNIX Power Tools, 46.3. Bourne Shell Debugger Shows a Shell Variable
  without using shell : UNIX Power Tools, 45.2. The Story of : # #!
  -xv option : UNIX Power Tools, 46.1.1. Use -xv
shell setup files
  Learning the UNIX Operating System, 3.6. Customizing Your Account
  UNIX in a Nutshell, 5.3.3. Predefined Shell Variables
SHELL variable
  Learning the Korn Shell, 3.4.3.1. Miscellaneous Variables
  Learning the Korn Shell, 3.5.1. Environment Variables
  Learning the Korn Shell, A.1. The Bourne Shell
  UNIX Power Tools, 6.3. Predefined Environment Variables
  UNIX in a Nutshell, 4.3.3. Other Shell Variables
  UNIX in a Nutshell, 5.3.5. Environment Variables
shell variables
  UNIX Power Tools, 14.10. Variables Help You Find Directories and Files
  UNIX Power Tools, 46.7. Quoting and Command-Line Parameters
  (see also environment variables; variables; under specific variable name)
  csh shell : UNIX in a Nutshell, 5.3.3. Predefined Shell Variables
  editing : UNIX Power Tools, 9.7. String Editing in ksh and bash
  eval command and
    UNIX Power Tools, 8.10. eval: When You Need Another Chance
    UNIX Power Tools, 10.10. Simulated Bourne Shell Functions and Aliases
  iterating over arguments : UNIX Power Tools, 46.7. Quoting and Command-Line Parameters
  list of : Learning the Korn Shell, B.3. Built-in Shell Variables
  setting : UNIX Power Tools, 6.8. Shell Variables
  sh and ksh shells : UNIX in a Nutshell, 4.3.2. Built-in Shell Variables
shell wildcards : (see metacharacters/wildcards)
shell wrappers : UNIX Power Tools, 34.3. Testing and Using a sed Script: checksed, runsed
shells
  Learning the UNIX Operating System, 1.1.4. The UNIX Shell
  UNIX Power Tools, 1.2. Who Listens to What You Type?
  UNIX Power Tools, 11.13. Shell Command-Line Editing
  UNIX Power Tools, 44.3. What's a Shell, Anyway?
  UNIX Power Tools, 44.3.3. Types of Shells
  sed & awk, 1.4. Four Hurdles to Mastering sed and awk
  sed & awk, 2.3.1. Specifying Simple Instructions
  (see also command interpreters; command line)
  (see also under specific shell name)
  (see also under specific shell name)
  approved : UNIX Power Tools, 2.16. Approved Shells: Using Unapproved Login Shell
  as controlling process : UNIX Power Tools, 38.3. Managing Processes: Overall Concepts
  curly braces in
    UNIX Power Tools, 1.16. Wildcards
    UNIX Power Tools, 1.18. Who Handles Wildcards?
  customizing : UNIX Power Tools, 2.1. Customizing the Shell
  executing commands from vi : Learning the vi Editor, 7.2. Executing UNIX Commands
  executing external commands : UNIX Power Tools, 1.11. How the Shell Executes Other Commands
  giving absolute pathnames to : UNIX Power Tools, 45.5. A File That Shows Itself... and What #! Does
  interpreting commands : UNIX Power Tools, 8.1. What the Shell Does
  invoking
    UNIX Power Tools, 45.5. A File That Shows Itself... and What #! Does
    UNIX in a Nutshell, 4.8. Invoking the Shell
    UNIX in a Nutshell, 5.8. Invoking the Shell
  login shells : UNIX Power Tools, 51.9. Making a "Login" Shell
  multiple
    controlling from one terminal : UNIX in a Nutshell, Chapter 2, Reference: shl
  multiple shell sessions : UNIX Power Tools, 12.9. Running Multiple Shell Sessions with screen
  overview of : UNIX in a Nutshell, 3. The UNIX Shell: An Overview
  passing command history to : UNIX Power Tools, 11.12. Pass History to Another Shell
  programming : UNIX Power Tools, 1.5. Anyone Can Program the Shell
  programming shell scripts : Learning the UNIX Operating System, 7.3. Programming
  reading scripts
    UNIX Power Tools, 45.24. A Shell Can Read a Script from its Standard Input, But...
    UNIX Power Tools, 45.25. Shell Scripts On-the-Fly from Standard Input
  references for further reading : Learning the UNIX Operating System, A.3. Shells
  restricted : UNIX in a Nutshell, 4.9. Restricted Shells
  running : UNIX Power Tools, 1.9. Which Shell Am I Running?
  running programs without : UNIX Power Tools, 45.3. Don't Need a Shell for Your Script? Don't Use One
  selecting : UNIX Power Tools, 1.8. There Are Many Shells
  starting a subshell from : UNIX Power Tools, 38.4. Subshells
  syntax : UNIX Power Tools, 13.1. Using Standard Input and Output
  temporary files : UNIX Power Tools, 21.3. Unique Names for Temporary Files
  tokens : (see tokens)
  types (flavors) of : UNIX in a Nutshell, 3.3. Shell Flavors
  types of : UNIX Power Tools, 44.3.3. Types of Shells
  understanding # as comment : UNIX Power Tools, 45.3. Don't Need a Shell for Your Script? Don't Use One
  -v option : UNIX Power Tools, 45.25. Shell Scripts On-the-Fly from Standard Input
  variants of : UNIX Power Tools, 38.3. Managing Processes: Overall Concepts
shells file : UNIX Power Tools, 2.16. Approved Shells: Using Unapproved Login Shell
shellutils : UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
shift
  Learning the Korn Shell, 6.1.1. shift
  Learning the Korn Shell, 6.1.3. getopts
shift command
  UNIX Power Tools, 44.17. Handling Arguments with while and shift
  UNIX Power Tools, 45.15. How to Unset all Command-Line Parameters
  examples
    UNIX Power Tools, 44.17. Handling Arguments with while and shift
    UNIX Power Tools, 45.15. How to Unset all Command-Line Parameters
  handling command-line arguments : UNIX Power Tools, 44.17. Handling Arguments with while and shift
  in Bourne shell : UNIX Power Tools, 47.5. Using C Shell Arrays
  in C shells : UNIX Power Tools, 47.5. Using C Shell Arrays
  in while loops : UNIX Power Tools, 44.17. Handling Arguments with while and shift
  removing command-line arguments : UNIX Power Tools, 44.15.2. With a Loop
  unsetting command line parameters : UNIX Power Tools, 45.15. How to Unset all Command-Line Parameters
shift command (csh) : UNIX in a Nutshell, Chapter 5, Reference: shift
shift command (ksh, sh) : UNIX in a Nutshell, Chapter 4, Reference: shift
shl command : UNIX in a Nutshell, Chapter 2, Reference: shl
SHLVL environment variable : UNIX Power Tools, 7.9. Show Subshell Level with $SHLVL
shortcuts, keyboard : Learning the UNIX Operating System, 2.5.4. The Window Menu
showmatch script
  UNIX Power Tools, 26.6. Just What Does a Regular Expression Match?
  UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
shrink-wrapped software for UNIX : UNIX Power Tools, 52.3. Shrink-Wrapped Software for UNIX
shutdown command
  UNIX in a Nutshell, Chapter 2, Reference: shutdown
  (see also halt command; reboot command)
shutdown program : UNIX Power Tools, 1.14. The Kernel and Daemons
Sierra, Mike : UNIX Power Tools, 7.5. Multiline Shell Prompts
signal handling : UNIX Power Tools, 38.8. What Are Signals?
  in Bourne shells : UNIX Power Tools, 45.8. Handling Signals to Child Processes
  of subprocesses : UNIX Power Tools, 45.8. Handling Signals to Child Processes
signal names/numbers for trap command : UNIX Power Tools, 44.12. Trapping Exits Caused by Interrupts
signals
  Learning the Korn Shell, 8.2. Job Control
  Learning the Korn Shell, 8.3. Signals
  ALRM
    Learning the Korn Shell, A.6. Workalikes on PC Platforms
    Learning the Korn Shell, A.7. The Future of the Korn Shell
  DEBUG : (see fake signals)
  description : Learning the Korn Shell, 8.3. Signals
  effect of on processes : Learning the Korn Shell, 8.3.2. kill
  ERR : (see fake signals)
  EXIT : (see fake signals)
  fake : (see fake signals)
  HUP (hangup)
    Learning the Korn Shell, 8.4.3. Ignoring Signals
    UNIX Power Tools, 38.8. What Are Signals?
    UNIX Power Tools, 38.17. Automatically Kill Background Processes on Logout in csh
  ignoring : Learning the Korn Shell, 8.4.3. Ignoring Signals
  INT
    Learning the Korn Shell, 8.3.1. Control-key Signals
    Learning the Korn Shell, 8.3.2. kill
    Learning the Korn Shell, 8.4. trap
    Learning the Korn Shell, 8.4.1. Traps and Functions
    Learning the Korn Shell, 8.4.2. Process ID Variables and Temporary Files
    Learning the Korn Shell, 9.1.2.1. EXIT
    Learning the Korn Shell, A.2. The IEEE 1003.2 POSIX Shell Standard
    Learning the Korn Shell, A.6. Workalikes on PC Platforms
  KILL
    Learning the Korn Shell, 8.3.1. Control-key Signals
    Learning the Korn Shell, 8.3.2. kill
    Learning the Korn Shell, 8.3.3.1. System V
  lack of propagation to subshells
    Learning the Korn Shell, 8.6.1. Subshell Inheritance
    Learning the Korn Shell, A.7. The Future of the Korn Shell
  listing : Learning the Korn Shell, 8.3. Signals
  other types of : Learning the Korn Shell, 8.3.1. Control-key Signals
  in POSIX shell : Learning the Korn Shell, A.2. The IEEE 1003.2 POSIX Shell Standard
  propagation to subshells in next ksh release : Learning the Korn Shell, A.7. The Future of the Korn Shell
  QUIT
    Learning the Korn Shell, 8.3.1. Control-key Signals
    Learning the Korn Shell, 8.3.2. kill
    Learning the Korn Shell, 8.3.3.1. System V
  sending with control keys : Learning the Korn Shell, 8.3.1. Control-key Signals
  shown in background job status messages : Learning the Korn Shell, 8.3.2. kill
  specifying in trap command : Learning the Korn Shell, 8.4. trap
  STOP : Learning the Korn Shell, A.6. Workalikes on PC Platforms
  TERM
    Learning the Korn Shell, 8.3.2. kill
    Learning the Korn Shell, 8.4. trap
    Learning the Korn Shell, 8.4.2. Process ID Variables and Temporary Files
    Learning the Korn Shell, 9.1.2.1. EXIT
    Learning the Korn Shell, A.2. The IEEE 1003.2 POSIX Shell Standard
  trapping : (see traps)
  TSTP
    Learning the Korn Shell, 8.2. Job Control
    Learning the Korn Shell, 8.3.1. Control-key Signals
signals, interprocess communication : UNIX Power Tools, 38.8. What Are Signals?
signals, tracing : UNIX in a Nutshell, Chapter 2, Reference: truss
signals, trapping : UNIX Power Tools, 47.2.3. Signals
signing on to system : UNIX in a Nutshell, Chapter 2, Reference: login
SIGWINCH (window changed) signal : UNIX Power Tools, 42.5. Checklist: Screen Size Messed Up?
sin() : sed & awk, 9.1.1. Trigonometric Functions
sin command (awk)
  UNIX Power Tools, 33.11.7. Alphabetical Summary of Commands
  UNIX in a Nutshell, Chapter 11, Reference: sin
sine function : UNIX Power Tools, 49.4. bc's Sine and Cosine Are in Radians
single quotation marks (')
  sed & awk, 2.2. Command-Line Syntax
  sed & awk, 2.3.1. Specifying Simple Instructions
single quotes : (see ')
single-user operating systems : Learning the UNIX Operating System, The UNIX Operating System
size command : UNIX in a Nutshell, Chapter 2, Reference: size
Size menu item (mwm) : Learning the UNIX Operating System, 2.5.4. The Window Menu
size, file : (see files, size of)
size, windows : Learning the UNIX Operating System, 2.5.3. Resizing Windows
sl script
  UNIX Power Tools, 18.8. Showing the Actual Filenames for Symbolic Links
  UNIX Power Tools, 21.8.1.3. Watching Directories
  UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
slash : (see /)
sleep : Learning the Korn Shell, 8.4. trap
sleep command
  UNIX Power Tools, 3.1. Running Commands When You Log Out
  UNIX Power Tools, 9.19. For the Impatient: Type-Ahead
  UNIX Power Tools, 40.1. Off-Peak Job Submission
  UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
  UNIX in a Nutshell, Chapter 2, Reference: sleep
  in C shell : UNIX Power Tools, 47.2.2.1. Built-Ins
  examples
    UNIX Power Tools, 45.8. Handling Signals to Child Processes
    UNIX Power Tools, 47.2.2.1. Built-Ins
  keeping port settings : UNIX Power Tools, 41.6. Using sleep to Keep Port Settings
  in leave program : UNIX Power Tools, 48.5. leave: A Maddening Aid to Quitting on Time
  uses of : UNIX Power Tools, 40.2. Waiting a Little While: sleep
sls program
  UNIX Power Tools, 16.29. sls: Super ls with Format You Can Choose
  UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
smart echoing : UNIX Power Tools, 41.5. Why Some Systems Backspace over Prompts
smiley program : UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
smileys : UNIX Power Tools, 51.12. You Don't Have Enough Smileys?
SNOBOL : Learning the Korn Shell, 4.2. Shell Variables
.so requests, eliminating in nroff or troff files : UNIX in a Nutshell, Chapter 2, Reference: soelim
soelim command : UNIX in a Nutshell, Chapter 2, Reference: soelim
soft disk quota limits : UNIX Power Tools, 24.17. Disk Quotas
soft links : (see symbolic links)
soft mounting of NFS : UNIX Power Tools, 5.6. Checklist: Terminal Hangs When I Log In
software
  on enclosed CD-ROM
    UNIX Power Tools, 52.1. Introduction
    UNIX Power Tools, 52.6. Don't Have a CD-ROM Drive?
  installation programs : UNIX Power Tools, 52.5.3. Installing Pre-Compiled Binaries
  source code
    UNIX Power Tools, 52.7. Other Ways to Get the Software
    UNIX Power Tools, 52.8. Building Programs from Source Code
Solaris 2.0 : UNIX in a Nutshell, 1.1. Merging the Traditions
  generating index for : UNIX in a Nutshell, Chapter 2, Reference: ptx
sort command
  Learning the Korn Shell, 1.7.1. Standard I/O
  Learning the Korn Shell, 1.7.2. I/O Redirection
  Learning the Korn Shell, 1.7.3. Pipelines
  Learning the Korn Shell, 1.8. Background Jobs
  Learning the Korn Shell, 1.8.1. Background I/O
  Learning the Korn Shell, 4.3.1. Syntax of String Operators
  Learning the Korn Shell, 5.2. for
  Learning the Korn Shell, 7.2.2. read
  Learning the Korn Shell, 8.2.2. Suspending a Job
  Learning the UNIX Operating System, 5.2.2. sort
  UNIX Power Tools, 36.2. Sort Fields: How sort Sorts
  sed & awk, 2.5. Using sed and awk Together
  UNIX in a Nutshell, Chapter 2, Reference: sort
  (see also comm command; join command; uniq command)
  example of (sed)
    sed & awk, 9.3.1. Writing a Sort Function
    sed & awk, 9.3.3. Another Sorted Example
  unique parameter : UNIX Power Tools, 36.6.1. Dealing with Repeated Lines
sorting
  alphabetic vs. numeric : UNIX Power Tools, 36.5. Alphabetic and Numeric Sorting
  array elements (tawk) : sed & awk, 11.3.2.1. Tawk language extensions
  case-insensitive : UNIX Power Tools, 36.6.2. Ignoring Blanks
  dictionary order : UNIX Power Tools, 36.6.3. Case-Insensitive Sorts
  fields : UNIX Power Tools, 36.2. Sort Fields: How sort Sorts
  files : UNIX in a Nutshell, Chapter 2, Reference: tsort
    joining lines of sorted files : UNIX in a Nutshell, Chapter 2, Reference: join
    removing duplicate lines : UNIX in a Nutshell, Chapter 2, Reference: uniq
  ignoring blanks : UNIX Power Tools, 36.6.1. Dealing with Repeated Lines
  by last name : UNIX Power Tools, 36.9. Sorting a List of People by Last Name
  lines in files
    Learning the UNIX Operating System, 5.2.2. sort
    UNIX Power Tools, 36.8. lensort: Sort Lines by Length
  month order : UNIX Power Tools, 36.6.4. Dictionary Order
  multiline entries : UNIX Power Tools, 36.7. Sorting Multiline Entries
  reverse sort : UNIX Power Tools, 36.6.5. Month Order
  text blocks : Learning the vi Editor, 7.4.3. Sorting Text Blocks: A Sample ex Script
Source Code Control System : (see SCCS)
source code, obtaining : (see obtaining)
source command
  in C shell : UNIX Power Tools, 47.2.2.1. Built-Ins
  redirecting : UNIX Power Tools, 47.2.2.1. Built-Ins
source command (csh) : UNIX in a Nutshell, Chapter 5, Reference: source
source command (dbx) : UNIX in a Nutshell, Chapter 20, Reference: source
source command (ex)
  UNIX Power Tools, 33.4. Useful ex Commands
  UNIX in a Nutshell, Chapter 9, Reference: source
source files, sending : UNIX in a Nutshell, Chapter 2, Reference: uuto
--source option (gawk) : sed & awk, 11.2.3.1. Command line options
sourceable scripts : UNIX Power Tools, 10.5. Sourceable Scripts
SOURCEDIR, CD-ROM : UNIX Power Tools, 52.8.1. Running the Build Scripts
sourcing shell scripts : UNIX Power Tools, 44.23. Reading Files with the . and source Commands
  in C shell : UNIX Power Tools, 47.2.2.1. Built-Ins
spacing : (see whitespace)
span, character
  sed & awk, 3.2. A Line-Up of Characters
  sed & awk, 3.2.8. A Span of Characters
sparse files : UNIX Power Tools, 24.18. Huge Files Might Not Take a Lot of Disk Space
spaste program : UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
spawning processes : UNIX Power Tools, 38.2. fork and exec
special characters
  Learning the Korn Shell, 4.2.2. More on Variable Syntax
  UNIX Power Tools, 21.14. Automatically Appending the Date to a Filename
  sed & awk, 2.3.1. Specifying Simple Instructions
  sed & awk, 3. Understanding Regular Expression Syntax
  (see also escape sequences, awk; metacharacters/wildcards; pattern matching)
  in Bourne shell (sh) : UNIX Power Tools, 8.14.1. Special Characters
  cat command for viewing : UNIX Power Tools, 25.6. What's in That White Space?
  codes for writing : UNIX Power Tools, 41.11.1. Special Character Codes
  escape : UNIX Power Tools, 51.3. ASCII Characters: Listing and Getting Values
  in filenames : UNIX Power Tools, 1.15. Filenames
  filenames with
    UNIX Power Tools, 8.16. Quoting Handles Special Characters in Filenames
    UNIX Power Tools, 16.14. Showing Non-Printable Characters in Filenames
    UNIX Power Tools, 23.11. Deleting Files with Odd Names
special filenames
  sed & awk, 11.2.1.4. Special filenames
  sed & awk, 11.2.3.7. Additional special files
special keys, characters sent by : UNIX Power Tools, 41.12. Finding Out What Characters Your Terminal's Special Keys Send
speed : (see performance)
@speed, <speed, >speed calculations : UNIX Power Tools, 5.3. Setting the Terminal Type When You Log In
spell : Learning the Korn Shell, 4.1. Shell Scripts and Functions
spell checker program (example) : sed & awk, 12.1. An Interactive Spelling Checker
spell checking
  UNIX Power Tools, 27.18. Fast Searches and Spelling Checks with "look"
  UNIX Power Tools, 29.1. The UNIX spell Command
  ispell program : UNIX Power Tools, 29.2. Check Spelling Interactively with ispell
spell command
  UNIX Power Tools, 29.1. The UNIX spell Command
  UNIX Power Tools, 29.3. How Do I Spell That Word?
  UNIX in a Nutshell, Chapter 2, Reference: spell
  (see also ispell program)
  -v option : UNIX Power Tools, 29.4. Inside spell
  -x option : UNIX Power Tools, 29.4. Inside spell
spellcheck.awk program : sed & awk, C.1. Full Listing of spellcheck.awk
spellhist file : UNIX Power Tools, 29.4. Inside spell
spellprog program : UNIX Power Tools, 29.4. Inside spell
split command : UNIX in a Nutshell, Chapter 2, Reference: split
split command (awk)
  UNIX Power Tools, 33.11.7. Alphabetical Summary of Commands
  UNIX in a Nutshell, Chapter 11, Reference: split
split command, loops using : UNIX Power Tools, 45.18.2. Use with Loops
split program : UNIX Power Tools, 35.9. Splitting Files at Fixed Points: split
split()
  sed & awk, 8.4.4. Using split() to Create Arrays
  sed & awk, 9.2. String Functions
  sed & awk, 11.2.1.2. Obtaining individual characters
splitting files : UNIX in a Nutshell, Chapter 2, Reference: csplit
Spool was an acronym - Simultaneous Printing Off and On Line. : UNIX Power Tools, 43.1. Introduction to Printing
spooling system : UNIX Power Tools, 43.1. Introduction to Printing
  symbolic links : UNIX Power Tools, 43.5. Using Symbolic Links for Spooling
spreadsheets, calculators vs. : UNIX Power Tools, 49.8. It's Great to Have a Spreadsheet
sprintf command (awk)
  UNIX Power Tools, 33.11.7. Alphabetical Summary of Commands
  UNIX in a Nutshell, Chapter 11, Reference: sprintf
sprintf() : sed & awk, 9.2. String Functions
sqrt command (awk)
  UNIX Power Tools, 33.11.7. Alphabetical Summary of Commands
  UNIX in a Nutshell, Chapter 11, Reference: sqrt
sqrt() : sed & awk, 9.1.1. Trigonometric Functions
squoze script : UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
srand command (awk)
  UNIX Power Tools, 33.11.7. Alphabetical Summary of Commands
  UNIX in a Nutshell, Chapter 11, Reference: srand
srand() : sed & awk, 9.1.3. Random Number Generation
srchtxt command : UNIX in a Nutshell, Chapter 2, Reference: srchtxt
stack, directory : UNIX Power Tools, 14.6. The Shells' pushd and popd Commands
stacks : Learning the Korn Shell, 4.5. Advanced Examples: pushd and popd
stale symbolic links : UNIX Power Tools, 18.5. Creating and Removing Links
stalled data connections : UNIX Power Tools, 42.2.4. Stalled Data Connection?
Stallman, Richard : Learning the Korn Shell, A.5. bash
standard error
  Learning the Korn Shell, 1.7.1. Standard I/O
  Learning the Korn Shell, 7.1.2. File Descriptors
  UNIX Power Tools, 13.3. Send (only) Standard Error Down a Pipe
  UNIX Power Tools, 44.9. Testing Your Success
  UNIX Power Tools, 45.20. Overview: Open Files and File Descriptors
  UNIX Power Tools, 45.21. n>&m: Swap Standard Output and Standard Error
  UNIX Power Tools, 47.2.1.1. Writing Files
  (see also debugging; errors)
  piping to pager : UNIX Power Tools, 46.1.1. Use -xv
  redirecting
    UNIX Power Tools, 45.20. Overview: Open Files and File Descriptors
    UNIX Power Tools, 45.21. n>&m: Swap Standard Output and Standard Error
    UNIX Power Tools, 47.2.1.1. Writing Files
  saving to file : Learning the Korn Shell, 7.1.2. File Descriptors
standard input
  Learning the Korn Shell, 1.7.1. Standard I/O
  Learning the UNIX Operating System, 5.1. Standard Input and Standard Output
  UNIX Power Tools, 13.1. Using Standard Input and Output
  UNIX Power Tools, 13.13. The "Filename" -
  UNIX Power Tools, 45.20. Overview: Open Files and File Descriptors
  sed & awk, 2.2. Command-Line Syntax
  (see also I/O)
  in Bourne shell : UNIX Power Tools, 47.2.1.2. Reading Files
  in C shell : UNIX Power Tools, 47.2.1.2. Reading Files
  copying
    UNIX in a Nutshell, Chapter 2, Reference: tee
    UNIX in a Nutshell, Chapter 2, Reference: tr
    UNIX in a Nutshell, Chapter 2, Reference: vc
  including directly on cron command line : UNIX Power Tools, 40.14. Including Standard Input Within a cron Entry
  inheritance by subshells : Learning the Korn Shell, 8.6.1. Subshell Inheritance
  in kshdb break conditions : Learning the Korn Shell, 9.2.3.4. Break conditions
  reading scripts from
    UNIX Power Tools, 45.24. A Shell Can Read a Script from its Standard Input, But...
    UNIX Power Tools, 45.25. Shell Scripts On-the-Fly from Standard Input
  redirecting : (see redirection)
standard output
  Learning the Korn Shell, 1.7.1. Standard I/O
  Learning the UNIX Operating System, 5.1. Standard Input and Standard Output
  UNIX Power Tools, 45.20. Overview: Open Files and File Descriptors
  UNIX Power Tools, 46.1.1. Use -xv
  sed & awk, 2.2. Command-Line Syntax
  (see also I/O)
  in Bourne shell : UNIX Power Tools, 47.2.1.4. More Elaborate Combinations
  in C shell : UNIX Power Tools, 47.2.1.4. More Elaborate Combinations
  debugging
    UNIX Power Tools, 46.1.1. Use -xv
    (see also debugging)
  inheritance by subshells : Learning the Korn Shell, 8.6.1. Subshell Inheritance
  in kshdb break conditions : Learning the Korn Shell, 9.2.3.4. Break conditions
  redirecting : (see redirection)
start of line : (see ^ (circumflex))
start of word : (see \<, \> escape sequences)
stat program
  UNIX Power Tools, 1.22. How UNIX Keeps Track of Files: Inodes
  UNIX Power Tools, 21.13. Read an Inode with stat
  UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
state, job : UNIX Power Tools, 12.6. Notification When Jobs Change State
state, revision (RCS) : UNIX in a Nutshell, 18.3.6. Specifying States
statements, awk : sed & awk, B.2.6. Statements and Functions
status command (dbx) : UNIX in a Nutshell, Chapter 20, Reference: status
status command (lpc) : UNIX Power Tools, 43.3. Printer Control with lpc
status shell variable : UNIX in a Nutshell, 5.3.3. Predefined Shell Variables
status shell varible : UNIX Power Tools, 6.9. Special C Shell Variables
status variable
  UNIX Power Tools, 44.8. Test Exit Status with the if Statement
  (see also exit status)
stderr : (see standard error)
stdin : (see standard input)
stdout : (see standard output)
stem-derivative rule : UNIX Power Tools, 29.4. Inside spell
step command (dbx) : UNIX in a Nutshell, Chapter 20, Reference: step
stepi command (dbx) : UNIX in a Nutshell, Chapter 20, Reference: stepi
sticky bit
  UNIX Power Tools, 1.23. File Access Permissions
  UNIX Power Tools, 1.25. Access to Directories
  UNIX Power Tools, 22.6. Protecting Files with the Sticky Bit
stop command : UNIX Power Tools, 12.5. System Overloaded? Try Stopping Some Jobs
stop command (csh) : UNIX in a Nutshell, Chapter 5, Reference: stop
stop command (dbx) : UNIX in a Nutshell, Chapter 20, Reference: stop
stop command (ksh, sh) : UNIX in a Nutshell, Chapter 4, Reference: stop
stop list, spelling : UNIX Power Tools, 29.4. Inside spell
STOP signal : UNIX Power Tools, 38.8. What Are Signals?
stopi command (dbx) : UNIX in a Nutshell, Chapter 20, Reference: stopi
stopped jobs : Learning the UNIX Operating System, 1.1.8.1. Problem checklist
stopping sed scripts : (see q command (sed))
stream editor
  sed & awk, 1.2. A Stream Editor
  sed & awk, 2.1. Awk, by Sed and Grep, out of Ed
  sed & awk, 4.4.4. Edits To Go
  (see sed editor)
stream editors : UNIX in a Nutshell, Chapter 2, Reference: sed
stree script
  UNIX Power Tools, 16.19. stree: Simple Directory Tree
  UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
strftime() : sed & awk, 11.2.3.11. Time management for programmers
string capabilities : UNIX Power Tools, 41.11. How termcap and terminfo Describe Terminals
string I/O : (see print, read)
string operators
  Learning the Korn Shell, 4.3. String Operators
  Learning the Korn Shell, A.1. The Bourne Shell
  # (length) : Learning the Korn Shell, 4.3.4. Length Operator
  :+
    Learning the Korn Shell, 4.3.1. Syntax of String Operators
    Learning the Korn Shell, 5.2. for
  :-
    Learning the Korn Shell, 4.3.1. Syntax of String Operators
    Learning the Korn Shell, 4.5. Advanced Examples: pushd and popd
    Learning the Korn Shell, 9.2.3.4. Break conditions
  := : Learning the Korn Shell, 4.3.1. Syntax of String Operators
  :?
    Learning the Korn Shell, 4.3.1. Syntax of String Operators
    Learning the Korn Shell, 4.5. Advanced Examples: pushd and popd
  in next ksh release : Learning the Korn Shell, A.7. The Future of the Korn Shell
  summary of functionality : Learning the Korn Shell, 4.3. String Operators
  syntax : Learning the Korn Shell, 4.3.1. Syntax of String Operators
strings
  sed & awk, 3.1. That's an Expression
  sed & awk, 7.6. Expressions
  comparing : sed & awk, 9.2.5. The match() Function
  concatenating : sed & awk, 7.6. Expressions
  converting from numbers : sed & awk, 7.7. System Variables
  editing
    csh : UNIX Power Tools, 9.6. String Editing (Colon) Operators
    ksh and bash : UNIX Power Tools, 9.7. String Editing in ksh and bash
  editing operators : (see operators, string editing)
  fixed : (see fixed strings)
  functions for : sed & awk, 9.2. String Functions
  length of : sed & awk, 9.2.2. String Length
  limitations on : sed & awk, 10.8. Limitations
  parsing into array elements
    sed & awk, 8.4.4. Using split() to Create Arrays
    sed & awk, 11.2.1.2. Obtaining individual characters
  printing : UNIX in a Nutshell, Chapter 2, Reference: printf
  processing, nroff/troff requests for : UNIX in a Nutshell, 12.5.10. Macro and String Processing
  substitution functions (awk)
    sed & awk, 9.2.3. Substitution Functions
    sed & awk, 11.2.3.10. A general substitution function
  substrings : sed & awk, 9.2.1. Substrings
strings command : UNIX in a Nutshell, Chapter 2, Reference: strings
strip command
  UNIX Power Tools, 24.13. Save Space in Executable Files with strip
  UNIX in a Nutshell, Chapter 2, Reference: strip
stripper script
  UNIX Power Tools, 24.13. Save Space in Executable Files with strip
  UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
stripping non-printable characters : sed & awk, 5.6.1. Stripping Out Non-Printable Characters from nroff Files
stty : Learning the Korn Shell, 1.9.5. Control Keys
  to customize control-key signals : Learning the Korn Shell, 8.3.1. Control-key Signals
stty command
  Learning the UNIX Operating System, 3.6. Customizing Your Account
  UNIX Power Tools, 5.9. Setting Your Erase, Kill, and Interrupt Characters
  UNIX Power Tools, 41.1. Delving a Little Deeper
  UNIX Power Tools, 41.2.1. How We Made It This Far (Back?)
  UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
  UNIX in a Nutshell, Chapter 2, Reference: stty
  changing communication parameters on the fly : UNIX Power Tools, 42.1. Making Sense Out of the Terminal Mess
  finding out terminal settings with : UNIX Power Tools, 41.3. Find Out Terminal Settings with stty
  stty -a command : UNIX Power Tools, 42.5. Checklist: Screen Size Messed Up?
  stty -g command : UNIX Power Tools, 42.4. Checklist for Resetting a Messed Up Terminal
  stty cbreak command : UNIX Power Tools, 41.7. Reading Verrrry Long Lines from the Terminal
  stty icanon command : UNIX Power Tools, 41.7. Reading Verrrry Long Lines from the Terminal
  stty nostop command : UNIX Power Tools, 12.7. Stop Background Output with stty tostop
  stty size command : UNIX Power Tools, 42.5. Checklist: Screen Size Messed Up?
stty size command : UNIX Power Tools, 42.5. Checklist: Screen Size Messed Up?
su command
  UNIX Power Tools, 2.4. Tip for Changing Account Setup: Keep a Shell Ready
  UNIX Power Tools, 22.22. The su Command Isn't Just for the Superuser
  UNIX Power Tools, 52.4. Quick Descriptions of What's on the Disc
  UNIX in a Nutshell, Chapter 2, Reference: su
  starting a subshell : UNIX Power Tools, 38.4. Subshells
  su stucklogin : UNIX Power Tools, 5.6. Checklist: Terminal Hangs When I Log In
sub()
  sed & awk, 9.2. String Functions
  sed & awk, 9.2.3. Substitution Functions
  sed & awk, 11.2.3.10. A general substitution function
sub command (awk)
  UNIX Power Tools, 33.11.7. Alphabetical Summary of Commands
  UNIX in a Nutshell, Chapter 11, Reference: sub
subdirectories : (see directories)
subdirectories : (see directories)
subprocess : (see child processes)
subprocesses : Learning the Korn Shell, 3.5. Customization and Subprocesses
subroutines, dot (.) command compared to : UNIX Power Tools, 44.23. Reading Files with the . and source Commands
SUBSEP variable : sed & awk, 8.5.1. Multidimensional Arrays
subshell operators
  UNIX Power Tools, 2.2. Shell Setup Files-Which, Where, and Why
  UNIX Power Tools, 13.10. How to tee Several Commands Into One File
subshells
  Learning the Korn Shell, 4.1. Shell Scripts and Functions
  Learning the Korn Shell, 8. Process Handling
  Learning the Korn Shell, 8.6. Subshells
  UNIX Power Tools, 38.4. Subshells
  ( ) operators for : UNIX Power Tools, 13.7. The () Subshell Operators
  information passed from parent processes : Learning the Korn Shell, 3.5. Customization and Subprocesses
  inheritance of properties from parent shells : Learning the Korn Shell, 8.6.1. Subshell Inheritance
  levels : UNIX Power Tools, 7.9. Show Subshell Level with $SHLVL
  nested
    Learning the Korn Shell, 8.6.2. Nested Subshells
    Learning the Korn Shell, 9.2.3.6. Limitations
    Learning the Korn Shell, A.2. The IEEE 1003.2 POSIX Shell Standard
    compared to code blocks : Learning the Korn Shell, 8.6.2. Nested Subshells
  redirected loops running in : UNIX Power Tools, 45.23. The Ins and Outs of Redirected I/O Loops
  running : UNIX Power Tools, 46.6. Watch Out for Bourne Shell -e Bug
  setting command-line parameters : UNIX Power Tools, 44.19. The Bourne Shell set Command
  starting : UNIX Power Tools, 2.16. Approved Shells: Using Unapproved Login Shell
  su command and : (see su command)
substitute
  character (s) : Learning the vi Editor, 2.4. More Ways to Insert Text
  line (S) : Learning the vi Editor, 2.4. More Ways to Insert Text
  text (:s) : Learning the vi Editor, 5.1. ex Commands
substitute command (ed, sed) : (see s command (ed); s command (sed))
substitute command (ex)
  UNIX Power Tools, 33.4. Useful ex Commands
  UNIX in a Nutshell, Chapter 9, Reference: substitute
substituting text (sed)
  sed & awk, 2.1. Awk, by Sed and Grep, out of Ed
  sed & awk, 5.3. Substitution
  (see also s command (sed))
  relacement metacharacters : sed & awk, 5.3.1. Replacement Metacharacters
substitution command (:s)
  Learning the vi Editor, 2.4. More Ways to Insert Text
  Learning the vi Editor, 6. Global Replacement
substitution functions (awk)
  sed & awk, 9.2.3. Substitution Functions
  sed & awk, 11.2.3.10. A general substitution function
substr()
  sed & awk, 9.2. String Functions
  sed & awk, 9.2.1. Substrings
  sed & awk, 11.2.1.2. Obtaining individual characters
substr command (awk)
  UNIX Power Tools, 33.11.7. Alphabetical Summary of Commands
  UNIX in a Nutshell, Chapter 11, Reference: substr
substrings : (see strings)
subtraction (-) operator : sed & awk, 7.6. Expressions
suid
  Learning the Korn Shell, A.6. Workalikes on PC Platforms
  UNIX Power Tools, 1.23. File Access Permissions
  UNIX Power Tools, 1.25. Access to Directories
suid shell scripts
  Learning the Korn Shell, 10.3.2. A System Break-in Scenario
  Learning the Korn Shell, 10.3.4. Privileged Mode
sum command : UNIX in a Nutshell, Chapter 2, Reference: sum
SunExpert magazine, article on awk : UNIX Power Tools, 44.14. Putting awk, sed, etc., Inside Shell Scripts
SunOS
  Learning the Korn Shell, 1. Korn Shell Basics
  Learning the Korn Shell, 1.3. History of UNIX Shells
  Learning the Korn Shell, 1.9.5. Control Keys
  Learning the Korn Shell, 4.4. Command Substitution
superuser : (see root user)
suppressing output
  sed & awk, 2.3.2.2. Suppressing automatic display of input lines
  sed & awk, 5.2. Comment
suspend character
  Learning the UNIX Operating System, 6.1. Running a Command in the Background
  UNIX Power Tools, 5.9. Setting Your Erase, Kill, and Interrupt Characters
suspend command
  Learning the UNIX Operating System, 1.4. The Unresponsive Terminal
  UNIX Power Tools, 38.4. Subshells
  UNIX in a Nutshell, Chapter 4, Reference: suspend
  UNIX in a Nutshell, Chapter 5, Reference: suspend
SVR4 (System V Release 4) : UNIX in a Nutshell, 1.1. Merging the Traditions
swapon command : UNIX Power Tools, 50.12. Common UNIX Error Messages
swapping
  UNIX Power Tools, 39.3. The csh time variable
  UNIX Power Tools, 39.12.2. The Memory Subsystem
  UNIX Power Tools, 50.12. Common UNIX Error Messages
switch statements
  UNIX Power Tools, 47.6. Quick Reference: C Shell switch Statement
  UNIX in a Nutshell, Chapter 5, Reference: switch
symbol cross-references
  UNIX in a Nutshell, Chapter 2, Reference: cscope
  UNIX in a Nutshell, Chapter 2, Reference: cxref
symbol tables, printing : UNIX in a Nutshell, Chapter 2, Reference: nm
symbolic links
  UNIX Power Tools, 14.13. Which Directory Am I in, Really?
  UNIX Power Tools, 18.4. More About Links
  UNIX Power Tools, 24.4. Save Space with a Link
  advantages : UNIX Power Tools, 18.3. Files with Two or More Names
  between directories : UNIX Power Tools, 18.7. Linking Directories
  copying : UNIX Power Tools, 18.15. Copying Directory Trees with cp -r
  disk space and : UNIX Power Tools, 14.14. Automatic Setup When You Enter/Exit a Directory
  filenames for : UNIX Power Tools, 18.8. Showing the Actual Filenames for Symbolic Links
  finding
    UNIX Power Tools, 17.13. Searching for Files by Type
    UNIX Power Tools, 16.28. oldlinks: Find Unconnected Symbolic Links
  relinking : UNIX Power Tools, 18.14. Relinking Multiple Symbolic Links
  stale : UNIX Power Tools, 18.5. Creating and Removing Links
symbols
  UNIX Power Tools, 44.15.1. With the $@"
  (see also under specific symbol names)
  in filenames and pathnames : UNIX Power Tools, 44.15.1. With the $@"
  reference for : Learning the UNIX Operating System, B.2. Special Symbols
  terms for : UNIX Power Tools, 51.8. Type Bang Splat. Don't Forget the Rabbit Ears
sync program : UNIX Power Tools, 1.14. The Kernel and Daemons
syntax
  command-line
    sed & awk, 2.2. Command-Line Syntax
    sed & awk, A.1. Command-Line Syntax
  sed commands : sed & awk, 5.1. About the Syntax of sed Commands
  "Syntax error" error message : UNIX Power Tools, 46.4. Stop Syntax Errors in Numeric Tests
system
  commands, replacing : UNIX Power Tools, 8.7.1. Setting Path in Shell Setup Files
  recovering from crash : Learning the vi Editor, 4.2.3. Recovering a Buffer
  current system name : UNIX in a Nutshell, Chapter 2, Reference: uname
  load, checking : UNIX Power Tools, 39.7. Checking System Load: uptime
  overloaded : UNIX Power Tools, 12.5. System Overloaded? Try Stopping Some Jobs
  password file contents : UNIX Power Tools, 1.9. Which Shell Am I Running?
  performance issues : UNIX Power Tools, 39.12. What Makes Your Computer Slow? How Do You Fix It?
  resources, fundamental : UNIX Power Tools, 39.12. What Makes Your Computer Slow? How Do You Fix It?
  system time
    UNIX Power Tools, 39.2. Timing Programs
    UNIX Power Tools, 39.5. Why Is the System So Slow?
    sed & awk, 11.2.3.11. Time management for programmers
  system-state CPU time : UNIX Power Tools, 39.5. Why Is the System So Slow?
  tracing system calls : UNIX in a Nutshell, Chapter 2, Reference: truss
  usage information
    UNIX in a Nutshell, Chapter 2, Reference: time
    UNIX in a Nutshell, Chapter 2, Reference: timex
    UNIX in a Nutshell, Chapter 2, Reference: w
    logged-in users : UNIX in a Nutshell, Chapter 2, Reference: ruptime
    printing : UNIX in a Nutshell, Chapter 2, Reference: uptime
  variables (awk) : UNIX Power Tools, 33.11.3. awk System Variables
system() : sed & awk, 10.3. The system() Function
system command (awk)
  UNIX Power Tools, 33.11.7. Alphabetical Summary of Commands
  UNIX in a Nutshell, Chapter 11, Reference: system
system dictionary, adding to : UNIX in a Nutshell, Chapter 2, Reference: spell
System III : Learning the Korn Shell, 1.9.5. Control Keys
System V Release 4
  Learning the Korn Shell, 1.3.1. The Korn Shell
  Learning the Korn Shell, 1.4. Getting the Korn Shell
  UNIX in a Nutshell, 1.1. Merging the Traditions
System V UNIX
  Learning the Korn Shell, 1.9.5. Control Keys
  Learning the Korn Shell, 3.4.2.4. Terminal Types
  alternatives for : UNIX Power Tools, 50.8. Which Version Am I Using?
  C shell nice command : UNIX Power Tools, 39.9.3. System V C Shell nice
  manual page categories : UNIX Power Tools, 50.1. UNIX Online Documentation
  printing commands : UNIX Power Tools, 43.2.1. System V Printing Commands
  standalone nice command : UNIX Power Tools, 39.9.4. System V Standalone nice
  tape archiver (cpio) : UNIX Power Tools, 19.9. A System V Tape Archiver: cpio
  which command : UNIX Power Tools, 50.8. Which Version Am I Using?
system variables
  sed & awk, 7.7. System Variables
  sed & awk, 8.6. System Variables That Are Arrays
  sed & awk, B.2.5.5. System variables
  awk : UNIX in a Nutshell, 11.4. Awk System Variables
  gawk : sed & awk, 11.2.3.8. Additional variables
systime() : sed & awk, 11.2.3.11. Time management for programmers

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