Symbols & Numbers | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z

Index: Symbols & Numbers

{ } curly braces: 4.2.2. More on Variable Syntax

--html option for HTML output: 1.5.2. Built-in Help

--man option for printing help articles: 1.5.2. Built-in Help

- minus sign: 3.3. Options

8.4.4. Resetting Traps

as command: 2.4.4. Moving Around in the History File

--nroff option for command help: 1.5.2. Built-in Help

( ) parentheses

((...)) for arithmetic expressions: 6.2.2. Arithmetic Conditionals

enclosing arithmetic expressions: 6.2. Numeric Variables and Arithmetic

for subshells: 8.6.2. Subshells

[ ] square brackets: 4.5.2.3. Korn shell versus awk/egrep regular expressions

[[...]] for comparison tests: 5.1.4. Condition Tests

[...] for condition tests (old syntax): 5.1.4. Condition Tests

5.1.4.1. String comparisons

set construct wildcards and: 1.6.2. Filenames and Wildcards

-A option to read command: 7.2.3.5. Options to read

-a option to ulimit command: 10.2.2. ulimit

* asterisk: 1.6.2. Filenames and Wildcards

as built-in variable: 4.2.1. Positional Parameters

as command (vi-mode): 2.4.6. Filename and Variable Completion and Expansion

as default in case statement: 5.3. case

as regular expression operator: 4.5.2.1. Regular expression basics

as wildcard: 1.6.2. Filenames and Wildcards

1.6.2. Filenames and Wildcards

for accessing entire array: 6.4.1. Indexed Arrays

@ at sign

as built-in variable: 4.2.1. Positional Parameters

as default list in for statement: 5.2. for

as default list in select statement: 5.4. select

as regular expression operator: 4.5.2.1. Regular expression basics

4.5.2.3. Korn shell versus awk/egrep regular expressions

for accessing entire array: 6.4.1. Indexed Arrays

for preserving whitespace: 6.4.1. Indexed Arrays

backslash: 1.9.2. Backslash-Escaping

as command: 2.4.6. Filename and Variable Completion and Expansion

-c option to ulimit command: 10.2.2. ulimit

^ caret character: 2.3.4. Moving Around in the History File

as bitwise operator: 6.2. Numeric Variables and Arithmetic

as command: 2.4.1. Simple Control Mode Commands

matching beginning of line in regular expressions: 10.1. Installing the Korn Shell as the Standard Shell

: colon: 1.7.3. Pipelines

4.5.1. Syntax of String Operators

4.5.1. Syntax of String Operators

, comma, as command: 2.4.5. Character-Finding Commands

0 command: 2.4.1. Simple Control Mode Commands

-d file attribute operator: 5.1.4.3. File attribute checking

5.5. while and until

-d option

to read command: 7.2.3.5. Options to read

to ulimit command: 10.2.2. ulimit

$ dollar sign

$((...)): 6.2. Numeric Variables and Arithmetic

$@/$* variables: 4.2.1. Positional Parameters

as built-in variable: 2.2. The History File

8.4.2. Process ID Variables and Temporary Files

as command: 2.4.1. Simple Control Mode Commands

as pattern-substitution operator: 4.5.4. Pattern Substitution Operators

as variable name operator: 4.5.5. Variable Name Operators

. dot

.. indicating parent of working directory: 1.6.1.3. Changing working directories

as redo command: 2.4.3. Deletion Commands

indicating hidden files: 1.6.2. Filenames and Wildcards

to run scripts: 4.1. Shell Scripts and Functions

indicating working directory: 1.6.1.3. Changing working directories

-e file attribute operator: 5.1.4.3. File attribute checking

5.2. for

-e option

to hist command: 2.5. The hist Command

to print command: 7.2.1.2. Options to print

-ef file attribute operator: 5.1.4.3. File attribute checking

-eq arithmetic comparison operator: 5.1.4.4. Arithmetic conditionals

= equal sign: 7.2.3.3. Code blocks

== string comparison operator: 5.1.4.1. String comparisons

as command: 2.4.6. Filename and Variable Completion and Expansion

as string comparison operator: 5.1.4.1. String comparisons

as variable assignment operator: 3.4. Shell Variables

! exclamation point

!= string comparison operator: 5.1.4.1. String comparisons

as built-in variable: 8.4.2. Process ID Variables and Temporary Files

as negation operator: 5.1.4.3. File attribute checking

5.1.4.3. File attribute checking

as regular expression operator: 4.5.2.1. Regular expression basics

4.5.2.1. Regular expression basics

4.5.2.3. Korn shell versus awk/egrep regular expressions

indicating negation in character set: 1.6.2. Filenames and Wildcards

-f file attribute operator: 5.1.4.3. File attribute checking

-f option: 6.5.3. Type and Attribute Options

to print command: 7.2.1.2. Options to print

to typeset command, suboptions for: 6.5.4. Function Options

to ulimit command: 10.2.2. ulimit

-F option to ls command: 3.2. Aliases

-ft option to typeset command: 9.1.1. Set Options

-G file attribute operator: 5.1.4.3. File attribute checking

-ge arithmetic comparison operator: 5.1.4.4. Arithmetic conditionals

` grave accent: 4.6. Command Substitution

-gt arithmetic comparison operator: 5.1.4.4. Arithmetic conditionals

# hash mark

## pattern-matching operator: 4.5.3. Pattern-Matching Operators

4.5.3. Pattern-Matching Operators

6.2.3. Arithmetic Variables and Assignment

as built-in variable: 4.2.1. Positional Parameters

as command: 2.4.7. Miscellaneous Commands

as pattern-matching operator: 4.5.3. Pattern-Matching Operators

4.5.3. Pattern-Matching Operators

4.7. Advanced Examples: pushd and popd

5.5. while and until

indicating comments: 4.5.1. Syntax of String Operators

size of arrays and: 6.4.1. Indexed Arrays

-i option: 6.5.3. Type and Attribute Options

to grep command: 4.6. Command Substitution

to typeset command: 6.5.3. Type and Attribute Options

-L file attribute operator: 5.1.4.3. File attribute checking

-l option

to hist command: 2.5. The hist Command

to jobs command: 8.2.1. Foreground and Background

to kill command: 8.3. Signals

to ls command: 1.6.2. Filenames and Wildcards

-L string formatting option: 6.5.2. String Formatting Options

-le arithmetic comparison operator: 5.1.4.4. Arithmetic conditionals

-lt arithmetic comparison operator: 5.1.4.4. Arithmetic conditionals

-m option to ulimit command: 10.2.2. ulimit

-n option

to jobs command: 8.2.1. Foreground and Background

to print command: 4.5.1. Syntax of String Operators

5.1.4.3. File attribute checking

6.5.2. String Formatting Options

7.2.1.2. Options to print

to read command: 7.2.3.5. Options to read

to sort command: 1.1. What Is a Shell?

to ulimit command: 10.2.2. ulimit

-n string comparison operator: 5.1.4.1. String comparisons

5.4. select

-ne arithmetic comparison operator: 5.1.4.4. Arithmetic conditionals

-nt file attribute operator: 5.1.4.3. File attribute checking

7.3.4. eval

-O file attribute operator: 5.1.4.3. File attribute checking

-ot file attribute operator: 5.1.4.3. File attribute checking

-p option

to jobs command: 8.2.1. Foreground and Background

8.3.2. kill

to print command: 7.2.1.2. Options to print

8.5.4. Coroutines with Two-Way Pipes

8.5.5. Two-Way Pipes Versus Standard Pipes

to read command: 7.2.3.5. Options to read

8.5.4. Coroutines with Two-Way Pipes

8.5.5. Two-Way Pipes Versus Standard Pipes

to ulimit command: 10.2.2. ulimit

to whence command: 4.6. Command Substitution

% percent sign

%% pattern-matching operator: 4.5.3. Pattern-Matching Operators

4.7. Advanced Examples: pushd and popd

5.5. while and until

5.5. while and until

6.2.3. Arithmetic Variables and Assignment

as command: 2.4.5. Character-Finding Commands

as pattern-matching operator: 4.5.3. Pattern-Matching Operators

4.5.3. Pattern-Matching Operators

4.5.3. Pattern-Matching Operators

5.2. for

5.2. for

5.3. case

specifying jobs: 8.2.1. Foreground and Background

8.2.1. Foreground and Background

8.3.2. kill

| pipe (see pipelines)

1.7.3. Pipelines

7.1. I/O Redirectors

7.1. I/O Redirectors

|| for condition tests: 5.1.4.3. File attribute checking

|| for exit statuses: 5.1.2. Combinations of Exit Statuses

|& for two-way pipes: 8.5.4. Coroutines with Two-Way Pipes

as bitwise operator: 6.2. Numeric Variables and Arithmetic

as case pattern separator: 5.3. case

+ plus sign: 3.3. Options

as command: 2.4.4. Moving Around in the History File

as regular expression operator: 4.5.2.1. Regular expression basics

4.5.2.1. Regular expression basics

4.5.2.3. Korn shell versus awk/egrep regular expressions

? question mark

as built-in variable: 5.1.1. Exit Status and Return

as regular expression operator: 4.5.2.1. Regular expression basics

4.5.2.1. Regular expression basics

4.5.2.3. Korn shell versus awk/egrep regular expressions

as wildcard: 1.6.2. Filenames and Wildcards

4.5.2.3. Korn shell versus awk/egrep regular expressions

using with ERR fake signal: 9.1.2.2. ERR

-r file attribute operator: 5.1.4.3. File attribute checking

-r/R options: 6.5.3. Type and Attribute Options

6.5.3. Type and Attribute Options

to print command: 7.2.1.2. Options to print

to read command: 7.2.3.5. Options to read

-s file attribute operator: 5.1.4.3. File attribute checking

-s option

to hist command: 2.5. The hist Command

to print command: 7.2.1.2. Options to print

to read command: 7.2.3.5. Options to read

9.2.3.1. Commands

to ulimit command: 10.2.2. ulimit

; semicolon

;; in case statement: 5.4. select

;& in case statement: 5.3.1. Merging Cases

as command: 2.4.5. Character-Finding Commands

as statement separator: 3.2. Aliases

5.1.4.1. String comparisons

9.2.5. Exercises

-t option

to read command: 7.2.3.5. Options to read

to ulimit command: 10.2.2. ulimit

~ tilde: 1.6.1.2. Tilde notation

7.3.2. Substitution Order

(see also tilde notation)

as bitwise operator: 6.2. Numeric Variables and Arithmetic

as command: 2.4.7. Miscellaneous Commands

-u option

to print command: 7.2.1.2. Options to print

to read command: 7.2.3.5. Options to read

_ underscore, as command: 2.4.7. Miscellaneous Commands

-v option

to ulimit command: 10.2.2. ulimit

to whence command: 4.1.1. Functions

9.2.5. Exercises

-w file attribute operator: 5.1.4.3. File attribute checking

-x file attribute operator: 5.1.4.3. File attribute checking

5.5. while and until

-x option: 6.5.3. Type and Attribute Options

-z string comparison operator: 5.1.4.1. String comparisons

5.1.4.1. String comparisons

5.1.4.1. String comparisons

& ampersand: 1.8. Background Jobs

1.8. Background Jobs

1.8. Background Jobs

(see also background jobs)

&& for condition tests: 7.2.3.3. Code blocks

&& in exit status syntax: 5.1.2. Combinations of Exit Statuses

&& logical operator: 5.1.4.3. File attribute checking

as bitwise operator: 6.2. Numeric Variables and Arithmetic

/bin directory: 3.4.2.6. Command search path

/bin/bsh: 10.1. Installing the Korn Shell as the Standard Shell

/bin/sh: 10.1. Installing the Korn Shell as the Standard Shell

.cshrc file: 3.5.2. The Environment File

setuid shell scripts and: 10.4.4. Setuid and Privileged Mode

/dev/null file: 5.1.2. Combinations of Exit Statuses

/etc/hosts file: 7.2.3.3. Code blocks

/etc/passwd file: 1.7.3. Pipelines

7.3.3. Quoting

restricting user login shell and: 10.4.2. Restricted Shell

user account information and: 7.1.1. Here-Documents

/etc/profile file: 3.1.1. The /etc/profile File

5.4. select

aliases defined in: 10.2.3. Types of Global Customization

environment customization and: 10.2. Environment Customization

/etc/suid_profile file: 10.4.4. Setuid and Privileged Mode

/etc/termcap file: 3.4.2.5. Terminal types

.kshrc file: 3.5.2. The Environment File

< > angle brackets: 7.1. I/O Redirectors

in I/O redirection: 1.7.2. I/O Redirection

<< >> bitwise operators: 6.2. Numeric Variables and Arithmetic

.profile file: 3.1. The .profile File

restricted shell and: 10.4.2. Restricted Shell

vs. environment file: 3.5.2. The Environment File

" " quote marks: 1.9.1. Quoting

1.9.3. Quoting Quotation Marks

3.4.1. Variables and Quoting

7.3.2. Substitution Order

7.3.3. Quoting

arithmetic expressions and: 6.2. Numeric Variables and Arithmetic

secure shell scripts and: 10.4.1. Tips for Secure Shell Scripts

single (''): 1.9.1. Quoting

1.9.3. Quoting Quotation Marks

7.3.2. Substitution Order

7.3.3. Quoting

trap command and: 8.4. trap

.sh_history file: 2.2. The History File

/string command: 2.4.4. Moving Around in the History File

/tmp directory: 8.4.2. Process ID Variables and Temporary Files

9.2.1.1. The driver script

/usr/bin directory: 3.4.2.6. Command search path

/usr/lib directory: 9.2.1.1. The driver script

@x command: 2.4.7. Miscellaneous Commands

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