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Index: Symbols and Numbers

& (ampersand)
AND operator
4.4.1. Operators
5.4.1.3. Bitwise and logical operators
background commands : 4.2.4. Command Forms
ex command : Chapter 9, Reference: &
metacharacter : 6.3.2. Replacement Patterns
&& AND operator
4.2.4. Command Forms
4.4.1. Operators
5.4.1.3. Bitwise and logical operators
11.5. Operators
&= assignment operator
4.4.1. Operators
5.4.1.1. Assignment operators
* (asterisk)
filename metacharacter : 4.2.2. Filename Metacharacters
metacharacter : 6.3.1. Search Patterns
multiplication operator
4.4.1. Operators
5.4.1.2. Arithmetic operators
11.5. Operators
** exponentiation operator : 11.5. Operators
*= assignment operator
4.4.1. Operators
5.4.1.1. Assignment operators
11.5. Operators
@ (at sign)
csh command : Chapter 5, Reference: @
filename metacharacter : 4.2.2. Filename Metacharacters
\ (backslash)
filename metacharacter : 4.2.2. Filename Metacharacters
metacharacter : 6.3.1. Search Patterns
quoting in csh : 5.2.3. Quoting
quoting in sh and ksh : 4.2.3. Quoting
! (bang)
ex command : Chapter 9, Reference: !
filename metacharacter : 4.2.2. Filename Metacharacters
negation in sed : 10.3.1. Pattern Addressing
negation operator
4.4.1. Operators
5.4.1.3. Bitwise and logical operators
bang= inequality operator
4.4.1. Operators
5.4.1.4. Comparison operators
=~ string inequality
5.4.1.4. Comparison operators
11.5. Operators
{} (braces)
groups of commands : 4.2.4. Command Forms
metacharacter : 6.3.1. Search Patterns
[] (brackets)
filename metacharacter : 4.2.2. Filename Metacharacters
metacharacters : 6.3.1. Search Patterns
[[ ]] command (ksh) : Chapter 4, Reference: [[ ]]
^ (caret)
exclusive OR operator
4.4.1. Operators
5.4.1.3. Bitwise and logical operators
exponentiation operator : 11.5. Operators
metacharacter : 6.3.1. Search Patterns
^= assignment operator
4.4.1. Operators
5.4.1.1. Assignment operators
11.5. Operators
: (colon)
csh command : Chapter 5, Reference: :
sed command : Chapter 10, Reference: :
sh and ksh command : Chapter 4, Reference: :
, (comma) operator : 4.4.1. Operators
$ (dollar sign)
built-in shell variables : 4.3.2. Built-in Shell Variables
field reference operator : 11.5. Operators
metacharacter : 6.3.1. Search Patterns
. (dot) metacharacter : 6.3.1. Search Patterns
= (equal sign)
assignment operator
4.4.1. Operators
5.4.1.1. Assignment operators
11.5. Operators
equality operator : 11.5. Operators
ex command : Chapter 9, Reference: =
sed command : Chapter 10, Reference: =
== equality operator
4.4.1. Operators
5.4.1.4. Comparison operators
== inequality operator : 11.5. Operators
=~ string equality : 5.4.1.4. Comparison operators
# (hash mark)
for comments
Chapter 4, Reference: #
Chapter 5, Reference: #
Chapter 10, Reference: #
#! command
Chapter 4, Reference: #!shell
Chapter 5, Reference: #!
- (hyphen)
subtraction operator
4.4.1. Operators
5.4.1.2. Arithmetic operators
11.5. Operators
-= assignment operator
4.4.1. Operators
5.4.1.1. Assignment operators
11.5. Operators
-- auto-decrement operator
4.4.1. Operators
5.4.1.1. Assignment operators
11.5. Operators
< (left angle bracket)
ex command : Chapter 9, Reference: < >
less than operator
4.4.1. Operators
5.4.1.4. Comparison operators
11.5. Operators
redirection operator : 4.2.5.1. Simple redirection
<& (file descriptor) : 4.2.5.2. Redirection using file descriptors
<< redirection operator : 4.2.5.1. Simple redirection
<<= assignment operator : 4.4.1. Operators
<> redirection operator : 4.2.5.1. Simple redirection
<= less than or equal operator
4.4.1. Operators
5.4.1.4. Comparison operators
11.5. Operators
<< bitwise shift operator
4.4.1. Operators
5.4.1.3. Bitwise and logical operators
() (parentheses) for grouping commands : 4.2.4. Command Forms
% (percent)
metacharacter : 6.3.2. Replacement Patterns
modulus operator
4.4.1. Operators
5.4.1.2. Arithmetic operators
11.5. Operators
%= assignment operator
4.4.1. Operators
5.4.1.1. Assignment operators
11.5. Operators
. (period) metacharacter : 6.3.1. Search Patterns
+ (plus sign)
addition operator
4.4.1. Operators
5.4.1.2. Arithmetic operators
11.5. Operators
filename metacharacter : 4.2.2. Filename Metacharacters
+= assignment operator
4.4.1. Operators
5.4.1.1. Assignment operators
11.5. Operators
++ auto-increment operator
4.4.1. Operators
5.4.1.1. Assignment operators
11.5. Operators
? (question mark)
filename metacharacter : 4.2.2. Filename Metacharacters
?: inline conditional evaluation
4.4.1. Operators
11.5. Operators
" (quotation marks) : 4.2.3. Quoting
' (quotation marks)
quoting in sh and ksh
4.2.3. Quoting
5.2.3. Quoting
` (quotation marks)
command substitution : 4.2.4. Command Forms
quoting in sh and ksh : 4.2.3. Quoting
> (right angle bracket)
ex command : Chapter 9, Reference: < >
greater than operator
4.4.1. Operators
5.4.1.4. Comparison operators
11.5. Operators
redirection operator : 4.2.5.1. Simple redirection
>& (file descriptor) : 4.2.5.2. Redirection using file descriptors
>> redirection operator : 4.2.5.1. Simple redirection
>>= assignment operator : 4.4.1. Operators
>= greater than or equal operator
4.4.1. Operators
5.4.1.4. Comparison operators
11.5. Operators
>> bitwise shift operator
4.4.1. Operators
5.4.1.3. Bitwise and logical operators
; (semicolon) for command sequences : 4.2.4. Command Forms
/ (slash)
division operator
4.4.1. Operators
5.4.1.2. Arithmetic operators
11.5. Operators
/= assignment operator
4.4.1. Operators
5.4.1.1. Assignment operators
11.5. Operators
~ (tilde)
binary inversion operator : 5.4.1.3. Bitwise and logical operators
ex command : Chapter 9, Reference: ~
filename metacharacter : 4.2.2. Filename Metacharacters
metacharacter : 6.3.2. Replacement Patterns
negation operator
4.4.1. Operators
11.5. Operators
| (vertical bar)
OR operator
4.4.1. Operators
5.4.1.3. Bitwise and logical operators
redirecting command output : 4.2.4. Command Forms
|= assignment operator
4.4.1. Operators
5.4.1.1. Assignment operators
|| OR operator
4.2.4. Command Forms
4.4.1. Operators
5.4.1.3. Bitwise and logical operators
11.5. Operators


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