(as of 11/11/2015)
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- Superset of the Bourne shell command syntax
- Interactive command line editing
- Indexed arrays of unlimited size
- Command substitution
- Filename globbing
GNU Bash is a Unix shell created for the GNU Project. Bash stands for Bourne Again SHell and is a free software replacement for the Bourne shell. It is widely used as a shell for the GNU operating system.
Bash uses command syntax that is a superset of the Bourne shell command syntax and can execute many of the Bourne shell scripts. The shell comes with a variety of features from the C shell (csh) and Korn shell (ksh). Bash offers interactive command line editing, shell functions and aliases, indexed arrays of unlimited size, and job control. The shell also supports command substitution, filename globbing, piping, and control structures and variables for iteration and condition-testing.
Bash is widely used as the shell for the GNU operating system. It comes with a variety of features and is actively improved. Overall, GNU Bash is a great improvement over the Bourne shell that integrates features from the csh and ash shells, as well.
▶ Primary file extension
▶ Other file extensions used by GNU Bash 4
|Supported File Types|
|.BASH_HISTORY||Bash History File|
|.BASH_PROFILE||Bash Interactive Login Shell File|
|.BASHRC||Bash Non-Interactive Login Shell File|
|.PROFILE||Bash Shell Profile|
|.SH||Bash Shell Script|
Updated: November 11, 2015