Index
A note on the digital index
A link in an index entry is displayed as the section title in which that entry appears. Because some sections have multiple index markers, it is not unusual for an entry to have several links to the same section. Clicking on any link will take you directly to the place in the text in which the marker appears.
Symbols
- ! exclamation point
- != string comparison operator, String comparisons
- as built-in variable, Process ID Variables and Temporary Files
- as negation operator, File attribute checking, File attribute checking
- as regular expression operator, Regular expression basics, Regular expression basics, Korn shell versus awk/egrep regular expressions
- indicating negation in character set, Filenames and Wildcards
- " " quote marks, Quoting, Quoting Quotation Marks, Variables and Quoting, Substitution Order, Quoting
- arithmetic expressions and, Numeric Variables and Arithmetic
- secure shell scripts and, Tips for Secure Shell Scripts
- single (''), Quoting, Quoting Quotation Marks, Substitution Order, Quoting
- trap command and, trap
- # hash mark
- ## pattern-matching operator, Pattern-Matching Operators, Pattern-Matching Operators–Pattern-Matching Operators, Arithmetic Variables and Assignment
- as built-in variable, Positional Parameters
- as command, Miscellaneous Commands
- as pattern-matching operator, Pattern-Matching Operators, Pattern-Matching Operators, Advanced Examples: pushd and popd, while and until
- indicating comments, Syntax of String Operators
- size of arrays and, Indexed ...
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