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bash is a Unix shell written for the GNU Project. Its name is an acronym for Bourne-again shell, a pun ('Bourne again' / 'born again') on the name of the Bourne shell (sh), an early and important Unix shell written by Stephen Bourne and distributed with Version 7 Unix circa 1978. bash was created in 1987 by Brian Fox. In 1990 Chet Ramey became the primary maintainer.

bash is the default shell on Debian and most Linux systems.

Using an alternative shell

It is now possible to forcibly remove bash and use an alternative shell. Testing at [[http://markhobley.yi.org/laboratory/ Mark Hobley's Open Source Laboratory], has revealed that the bash shell can be replaced with the [posh] or [korn] shell. Debian can now boot with the bash shell removed.

Some tips

more on Bourne-Again_shell

See Also