Learning the Korn Shell

Learning the Korn ShellSearch this book

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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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