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Index: E

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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