UNIX machines typically have one native command interpreter or shell. On many machines, this is the Bourne shell, named after S.R. Bourne in 1975. The Bourne shell is part of the standard configuration for everv flavor of UNIX.
A command interpreter. As of the HP-UX 10.0 release, the OSF POSIX shell replaces the Korn Shell and Bourne Shell. Thus, /usr/bin/sh will be the POSIX shell. However, /usr/old/bin/sh will still contain the Bourne shell.
A shell that is the ancestor of the standard SVR4 shell, named after its author, Steven Bourne. A widely used, general-purpose programming language, developed by Dennis Ritchie of Bell Laboratories in the late 1960s. Much of UNIX is written in C.
The Bourne shell, or sh, was the default Unix shell of Unix Version 7, and replaced the Thompson shell, whose executable file had the same name, sh. It was developed by Stephen Bourne, of AT&T Bell Laboratories, and was released in 1977 in the Version 7 Unix release distributed to colleges and universities. It remains a popular default shell for Unix accounts.