Almquist shell

Almquist shell
Developer(s)	Kenneth Almquist
Initial release	May 30, 1989
Written in	C
Operating system	Unix-like
Platform	Cross-platform
Type	Unix shell
Website	www.in-ulm.de/~mascheck/various/ash/

Almquist shell (also known as A Shell, ash and sh) is a lightweight Unix shell originally written by Kenneth Almquist in the late 1980s. Initially a clone of the System V.4 variant of the Bourne shell, it replaced the original Bourne shell in the BSD versions of Unix released in the early 1990s.