Introduction (bash reference manual)1 introduction ¶ what is bash? If bash finds this variable in the environment when the shell starts, and its value is ‘ t ’, bash assumes that the shell is running in an emacs shell buffer and disables line editing. Bash is the shell, or command language interpreter, for the gnu operating system.
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Bash contains features that appear in other popular shells, and. If the operating system on which bash is running provides these special files, bash uses them; Otherwise, it is set to the filename used to invoke.
If the file argument to one of the.
Some of the shells that bash has borrowed concepts from are the bourne shell (sh), the. Bash is the shell, or command language interpreter, for the gnu operating system. Bash contains features that appear in other popular shells, and some features that only appear in bash. Otherwise it emulates them internally with this behavior:
This manual (bash) is available in the following formats: This is edition 5.3, last updated 18 may 2025, of the gnu bash reference manual, for bash, version 5.3.