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# Index: E

EBCDIC : 1.6.2. Filenames and Wildcards
echo
  Summary of Korn Shell Features
  1.4. Getting the Korn Shell
  3.4. Shell Variables
  7.2.1. print
  A.1. The Bourne Shell
  difference in versions of : 7.2.1. print
ed
  3.5.1. Environment Variables
  4.3.2.2. Korn shell versus awk/egrep regular expressions
  7.1.1. Here-documents
  9. Debugging Shell Programs
EDITOR
  3.4.2.1. Editing mode variables
  3.5.1. Environment Variables
egrep
  4.3.2. Patterns and Regular Expressions
  4.3.2.1. Regular expression basics
  4.3.2.2. Korn shell versus awk/egrep regular expressions
elif : (see if)
emacs editor
  2. Command-line Editing
  2.3. Emacs Editing Mode
  2.3.1. Basic Commands
  2.3.5. Filename Completion and Expansion
  2.3.6. Miscellaneous Commands
  2.4.6. Filename Completion
  2.6. Finger Habits
  3.1. The .profile File
  3.4.2.4. Terminal Types
  3.5.1. Environment Variables
  4.3.2. Patterns and Regular Expressions
  4.3.2.1. Regular expression basics
  4.4. Command Substitution
  9. Debugging Shell Programs
  A.4. pdksh
  commands : B.7. Emacs Mode Commands
  GNU emacs
    2.3.6. Miscellaneous Commands
    3.1. The .profile File
    A.5. bash
  Gosling (Unipress) emacs : 2.3.6. Miscellaneous Commands
  search commands : 2.3.4. Moving Around in the History File
emacs-mode
  Korn Shell Versions
  Summary of Korn Shell Features
  2.3. Emacs Editing Mode
  7.2.1.2. Options to print
  10.2.3. Types of Global Customization
  A.4. pdksh
  basic commands : 2.3.1. Basic Commands
  case-changing commands : 2.3.6. Miscellaneous Commands
  enabling : 2.1. Enabling Command-line Editing
  exchanging point and mark : 2.3.6. Miscellaneous Commands
  filename completion : 2.3.5. Filename Completion and Expansion
  filename expansion : 2.3.5. Filename Completion and Expansion
  history file commands : 2.3.4. Moving Around in the History File
  key customization in next release : A.7. The Future of the Korn Shell
  keyboard shortcuts with aliases : 2.3.7. Keyboard Shortcuts with Aliases
  line commands : 2.3.3. Line Commands
  mark : 2.3.6. Miscellaneous Commands
  point (dot) : 2.3.1. Basic Commands
  repeat counts : 2.3.6. Miscellaneous Commands
  searching the history file : 2.3.4. Moving Around in the History File
  terminal requirements : 2.3.1. Basic Commands
  transpose characters command : 2.3.6. Miscellaneous Commands
  useful command subset : 2.6. Finger Habits
  word commands : 2.3.2. Word Commands
  in workalike shells : A.6. Workalikes on PC Platforms
email : (see mail)
ENV
  3.5.2. The Environment File
  10.2.3. Types of Global Customization
  A.1. The Bourne Shell
  command subsitution in next release : A.7. The Future of the Korn Shell
  in privileged mode : 10.3.4. Privileged Mode
environment files : 3.5.2. The Environment File
  compared to .profile : 3.5.2. The Environment File
  creating : 3.5.2. The Environment File
  customization in next release : A.7. The Future of the Korn Shell
  lack of system-wide : 10.2.3. Types of Global Customization
  in : 10.3.4. Privileged Mode
  security holes in : 10.3.2. A System Break-in Scenario
  in subshells : 8.6.1. Subshell Inheritance
environment variables
  3.4. Shell Variables
  (see also built-in variables)
  about : 3.5.1. Environment Variables
  creating : 3.5.1. Environment Variables
  ENV
    3.5.2. The Environment File
    10.2.3. Types of Global Customization
    A.1. The Bourne Shell
    command substitution in next release : A.7. The Future of the Korn Shell
    in privileged mode : 10.3.4. Privileged Mode
  FCEDIT : 2.5. The fc Command
  HISTFILE
    2.2. The History File
    3.4.2.1. Editing mode variables
    3.5.1. Environment Variables
  HISTSIZE : 2.2. The History File
  HOME
    3.4.3.1. Miscellaneous Variables
    3.5.1. Environment Variables
    7.3. Command-line Processing
  IFS
    4.2.1. Positional Parameters
    4.2.1.1. Positional parameters in functions
    7.2.2. read
    7.3. Command-line Processing
    role in command-line processing : 7.3. Command-line Processing
  inheritance by subshells : 8.6.1. Subshell Inheritance
  LOGNAME
    3.4.2.3. Prompting Variables
    3.5.1. Environment Variables
  MAIL
    3.4.2.2. Mail Variables
    3.5.1. Environment Variables
  MAILPATH
    3.4.2.2. Mail Variables
    3.5.1. Environment Variables
    4.5. Advanced Examples: pushd and popd
    A.6. Workalikes on PC Platforms
  PATH
    3.4.2.5. Command Search Path
    3.5.1. Environment Variables
    4.1. Shell Scripts and Functions
    4.5. Advanced Examples: pushd and popd
    5.5. while and until
    6.2.2. Arithmetic Variables and Assignment
    6.3.4. Type and Attribute Options
    7.2.1.2. Options to print
    7.3. Command-line Processing
    10.1. Installing the Korn Shell as the Standard Shell
    10.2.3. Types of Global Customization
    10.3.4. Privileged Mode
    A.1. The Bourne Shell
    A.6. Workalikes on PC Platforms
    in restricted shell : 10.3.1. Restricted Shell
    security problem with
      3.4.2.5. Command Search Path
      10.3.2. A System Break-in Scenario
  PS1
    7.3.1. Quoting
    10.2.3. Types of Global Customization
    A.5. bash
    command substitution in next release : A.7. The Future of the Korn Shell
  PWD
    3.4.2.3. Prompting Variables
    3.4.3.1. Miscellaneous Variables
    3.5.1. Environment Variables
    5.1.1. Exit Status and Return
    7.3. Command-line Processing
  read-only variables in restricted shell : 10.3.1. Restricted Shell
  SHELL
    3.4.3.1. Miscellaneous Variables
    3.5.1. Environment Variables
    A.1. The Bourne Shell
  showing : 3.5.1. Environment Variables
  TERM
    3.4.2.4. Terminal Types
    3.5.1. Environment Variables
    5.3. case
    5.4. select
    6.3. Arrays
    7.2.2.1. Reading lines from files
    10.2.3. Types of Global Customization
  TMOUT : 10.2.3. Types of Global Customization
  visibility in subshells : 4.1. Shell Scripts and Functions
  VISUAL : 2.1. Enabling Command-line Editing
environments : 3. Customizing Your Environment
ERRNO, obsolescence in next release : A.7. The Future of the Korn Shell
/etc/hosts : 7.2.2.3. Code blocks
/etc/passwd
  1.7.3. Pipelines
  7.1.1. Here-documents
  7.3.1. Quoting
  7.3.2.1. The C Compiler as Pipeline
  10.3.1. Restricted Shell
/etc/profile
  5.3. case
  5.4. select
  6.3.4. Type and Attribute Options
  7.2.2.1. Reading lines from files
  10.2. Environment Customization
  10.2.3. Types of Global Customization
/etc/suid_profile : 10.3.4. Privileged Mode
/etc/termcap : 3.4.2.4. Terminal Types
eval : 7.3.2. eval
  for constructing pipelines
    7.3.2. eval
    7.3.2.1. The C Compiler as Pipeline
  role in command-line processing : 7.3.2. eval
exec : 9.2.1.2. exec
  with I/O redirectors : 9.2.1.2. exec
executable files : (see files, executable)
exit
  1.4. Getting the Korn Shell
  1.5. Interactive Shell Use
  5.1.1.1. Return
  8.4.2. Process ID Variables and Temporary Files
exit status
  5.1.1. Exit Status and Return
  5.1.3.1. String comparisons
  9.2.3.4. Break conditions
  9.2.5. Exercises
  conventional values : 5.1.1. Exit Status and Return
  in job status messages : 8.1. Process IDs and Job Numbers
  logical combinations : 5.1.2. Combinations of Exit Statuses
  trapping when non-0 : 9.1.2.2. ERR
export
  3.5.1. Environment Variables
  4.1. Shell Scripts and Functions
  6.3.4. Type and Attribute Options
  10.2.3. Types of Global Customization
expr
  Summary of Korn Shell Features
  6.2. Integer Variables and Arithmetic
  A.1. The Bourne Shell

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