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The Bourne shell (sh) is a shell command-line interpreter for computer operating systems.It first appeared on Version 7 Unix, as its default shell. Unix-like systems continue to have /bin/sh—which will be the Bourne shell, or a symbolic link or hard link to a compatible shell—even when other shells are used by most users.
Bash can execute the vast majority of Bourne shell scripts without modification, with the exception of Bourne shell scripts stumbling into fringe syntax behavior interpreted differently in Bash or attempting to run a system command matching a newer Bash builtin, etc. Bash command syntax includes ideas drawn from the Korn Shell (ksh) and the C ...
es (for "extensible shell") is an open source, command line interpreter developed by Rakitzis and Paul Haahr [2] that uses a scripting language syntax influenced by the rc shell. [ 3 ] [ 4 ] It was originally based on code from Byron Rakitzis's clone of rc for Unix.
[2] Bourne shell interaction on Version 7 Unix. The first Unix shell, the V6 shell, was developed by Ken Thompson in 1971 at Bell Labs and was modeled after Schroeder's Multics shell. [4] [5] The Bourne shell was introduced in 1977 as a replacement for the V6 shell. Although it is used as an interactive command interpreter, it was also intended ...
The Z shell (Zsh) is a Unix shell that can be used as an interactive login shell and as a command interpreter for shell scripting. Zsh is an extended Bourne shell with many improvements, including some features of Bash, ksh, and tcsh. Zsh was created by Paul Falstad in 1990 while he was a student at Princeton University.
24/7 Help. For premium support please call: 800-290-4726 ... with inflation data indicating a continued decline from a peak of 9.1% in June 2022 to rates that have ranged from 2.5% and 4% since ...
Stephen Richard "Steve" Bourne (born 7 January 1944) is an English computer scientist based in the United States for most of his career. He is well known as the author of the Bourne shell ( sh ), which is the foundation for the standard command-line interfaces to Unix .
The Bourne Rotary, shown here in May, is on the south side of the Bourne Bridge. Pavement upgrades and widening work at the rotary amounting to about $1.8M in cost is expected to begin in the ...