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# Index: S

SCO : 1.9.5. Control Keys
scripts
  built-in commands implemented as : 4.1. Shell Scripts and Functions
  comments in : 4.3.1. Syntax of String Operators
  order of precedence in command lookup
    4.1.1. Functions
    7.3. Command-line Processing
  running : 4.1. Shell Scripts and Functions
SECONDS : 3.4.3.1. Miscellaneous Variables
security
  Summary of Korn Shell Features
  3.2.1. Tracked Aliases
  10.3. System Security Features
  Korn shell features pertaining to : 10.3. System Security Features
  problem with PATH
    3.4.2.5. Command Search Path
    10.3.2. A System Break-in Scenario
  restricted shell : (see restricted shell)
  suid interactive shells : 10.3.2. A System Break-in Scenario
  Trojan horse schemes : 10.3.2. A System Break-in Scenario
sed
  1.7.1. Standard I/O
  4.3.2. Patterns and Regular Expressions
  4.3.2.2. Korn shell versus awk/egrep regular expressions
  10.1. Installing the Korn Shell as the Standard Shell
select
  Summary of Korn Shell Features
  5.4. select
  6.3. Arrays
  7.2.2.4. Reading User Input
  A.1. The Bourne Shell
  A.2. The IEEE 1003.2 POSIX Shell Standard
  description : 5.4. select
  lists of names in : 5.4. select
  PS3 prompt in : 5.4. select
  redirecting I/O to : 7.2.2.2. I/O Redirection and multiple commands
  syntax : 5.4. select
set : (see options)
  +o (turn off option)
    3.3. Options
    9.1.1. Set Options
  -A (array assignment)
    6.3. Arrays
    6.3.3. String Formatting Options
  -o (turn on option)
    3.3. Options
    9.1.1. Set Options
    A.1. The Bourne Shell
  output of in next release : A.7. The Future of the Korn Shell
SHELL
  3.4.3.1. Miscellaneous Variables
  3.5.1. Environment Variables
  A.1. The Bourne Shell
shell compilers : 9. Debugging Shell Programs
shell variables, list of : B.3. Built-in Shell Variables
shift
  6.1.1. shift
  6.1.3. getopts
signals
  8.2. Job Control
  8.3. Signals
  ALRM
    A.6. Workalikes on PC Platforms
    A.7. The Future of the Korn Shell
  DEBUG : (see fake signals)
  description : 8.3. Signals
  effect of on processes : 8.3.2. kill
  ERR : (see fake signals)
  EXIT : (see fake signals)
  fake : (see fake signals)
  hangup : (see HUP)
  HUP : 8.4.3. Ignoring Signals
  ignoring : 8.4.3. Ignoring Signals
  INT
    8.3.1. Control-key Signals
    8.3.2. kill
    8.4. trap
    8.4.1. Traps and Functions
    8.4.2. Process ID Variables and Temporary Files
    9.1.2.1. EXIT
    A.2. The IEEE 1003.2 POSIX Shell Standard
    A.6. Workalikes on PC Platforms
  KILL
    8.3.1. Control-key Signals
    8.3.2. kill
    8.3.3.1. System V
  lack of propagation to subshells
    8.6.1. Subshell Inheritance
    A.7. The Future of the Korn Shell
  listing : 8.3. Signals
  other types of : 8.3.1. Control-key Signals
  in POSIX shell : A.2. The IEEE 1003.2 POSIX Shell Standard
  propagation to subshells in next release : A.7. The Future of the Korn Shell
  QUIT
    8.3.1. Control-key Signals
    8.3.2. kill
    8.3.3.1. System V
  sending with control keys : 8.3.1. Control-key Signals
  shown in background job status messages : 8.3.2. kill
  specifying in trap command : 8.4. trap
  STOP : A.6. Workalikes on PC Platforms
  TERM
    8.3.2. kill
    8.4. trap
    8.4.2. Process ID Variables and Temporary Files
    9.1.2.1. EXIT
    A.2. The IEEE 1003.2 POSIX Shell Standard
  trapping : (see traps)
  TSTP
    8.2. Job Control
    8.3.1. Control-key Signals
sleep : 8.4. trap
SNOBOL : 4.2. Shell Variables
sort
  1.7.1. Standard I/O
  1.7.2. I/O Redirection
  1.7.3. Pipelines
  1.8. Background Jobs
  1.8.1. Background I/O
  4.3.1. Syntax of String Operators
  5.2. for
  7.2.2. read
  8.2.2. Suspending a Job
special characters : 4.2.2. More on Variable Syntax
spell : 4.1. Shell Scripts and Functions
stacks : 4.5. Advanced Examples: pushd and popd
Stallman, Richard : A.5. bash
standard I/O : (see I/O)
string I/O : (see print, read)
string operators
  4.3. String Operators
  A.1. The Bourne Shell
  # (length) : 4.3.4. Length Operator
  :+
    4.3.1. Syntax of String Operators
    5.2. for
  :-
    4.3.1. Syntax of String Operators
    4.5. Advanced Examples: pushd and popd
    9.2.3.4. Break conditions
  := : 4.3.1. Syntax of String Operators
  :?
    4.3.1. Syntax of String Operators
    4.5. Advanced Examples: pushd and popd
  in next release : A.7. The Future of the Korn Shell
  summary of functionality : 4.3. String Operators
  syntax : 4.3.1. Syntax of String Operators
stty : 1.9.5. Control Keys
  to customize control-key signals : 8.3.1. Control-key Signals
subprocesses : 3.5. Customization and Subprocesses
subshells
  4.1. Shell Scripts and Functions
  8. Process Handling
  8.6. Subshells
  information passed from parent processes : 3.5. Customization and Subprocesses
  inheritance of properties from parent shells : 8.6.1. Subshell Inheritance
  nested
    8.6.2. Nested Subshells
    9.2.3.6. Limitations
    A.2. The IEEE 1003.2 POSIX Shell Standard
    compared to code blocks : 8.6.2. Nested Subshells
suid : A.6. Workalikes on PC Platforms
suid shell scripts
  10.3.2. A System Break-in Scenario
  10.3.4. Privileged Mode
  creating : 10.3.2. A System Break-in Scenario
  dangers of : 10.3.2. A System Break-in Scenario
SunOS
  1. Korn Shell Basics
  1.3. History of UNIX Shells
  1.9.5. Control Keys
  4.4. Command Substitution
system calls
  exec : 8.5. Coroutines
  fork : 8.5. Coroutines
  pipe : 8.5. Coroutines
  wait : 8.5. Coroutines
System III : 1.9.5. Control Keys
System V
  1.9.5. Control Keys
  3.4.2.4. Terminal Types
System V Release 4
  1.3.1. The Korn Shell
  1.4. Getting the Korn Shell

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