Bash

In Unix, a popular command interpreter. Bash, the Bourne-Again Shell, was first released in 1989 by Brian Fox and Chet Ramey, as part of the Free Software Foundation GNU Project.

Bash provides features found in the other Unix shells, particularly the Bourne shell, the C shell, and the Korn shell, and includes Bourne shell syntax, redirection and quoting, C-shell command-line editing and tilde expansion, job control, and command history. Bash also includes built-in commands and variables, as well as aliases from the Korn shell.

See also Bourne shell; C shell; Korn shell; Linux; Unix shell.