A Unix shell is a command-line interpreter or shell that provides a command line user interface for Unix-like operating systems. The shell is both an interactive...

(short for "Bourne Again SHell,") is an interactive command interpreter and command programming language developed for UNIX-like operating systems. Created...

version of the Single UNIX Specification. A Unix-like application is one that behaves like the corresponding Unix command or shell. Although there are general...

command line interpreter for Version 10 Unix and Plan 9 from Bell Labs operating systems. It resembles the Bourne shell, but its syntax is somewhat simpler...

A shell script is a computer program designed to be run by a Unix shell, a command-line interpreter. The various dialects of shell scripts are considered...

Fish (friendly interactive shell; stylized in lowercase) is a Unix-like shell with a focus on interactivity and usability. Fish is designed to be feature-rich...

in Unix and Unix-like shells and many are available in shells of other operating systems. This is not a comprehensive list of historic Unix and Unix-like...

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...

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...

KornShell (ksh) is a Unix shell which was developed by David Korn at Bell Labs in the early 1980s and announced at USENIX on July 14, 1983. The initial...

extended to Unix-like systems and Microsoft Windows. On Unix-like systems, Secure Shell protocol (SSH) is usually used for text-based shells, while SSH...

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...

The Thompson shell was the first Unix shell, introduced in the first version of Unix in 1971, and was written by Ken Thompson. It was a simple command...

Unix (/ˈjuːnɪks/ , YOO-niks; trademarked as UNIX) is a family of multitasking, multi-user computer operating systems that derive from the original AT&T...

Single UNIX Specification (SUS) is a standard for computer operating systems, compliance with which is required to qualify for using the "UNIX" trademark...

The C shell (csh or the improved version, tcsh) is a Unix shell created by Bill Joy while he was a graduate student at University of California, Berkeley...

The PWB shell (also known as the Mashey shell) was a Unix shell. The PWB shell was a modified (and generally constrained to be upward-compatible) version...

CD-ROMs". UNIX TIME-SHARING SYSTEM: UNIX PROGRAMMER'S MANUAL (PDF), vol. 2A (Seventh ed.), January 1979 Gilles. "linux - Why is SUID disabled for shell scripts...

ls is a shell command for listing files – including special files such as directories. Originally developed for Unix and later codified by POSIX and Single...

freeing the command line for additional work with the shell. POSIX shells and other Unix shells allow background execution by using the & character at...

part of every Unix-like libc ecosystem and shell, including AT&T Bourne shell-compatible Korn shell (ksh), Z shell (zsh), Almquist shell (ash) and its...

command is a shell command for Unix and Unix-like operating systems. It is used to execute a command whilst suppressing normal shell function lookup....

completed. The standard shell syntax for anonymous pipes is to list multiple commands, separated by vertical bars ("pipes" in common Unix verbiage). The pipeline...

A shell account is a user account on a remote server, typically running under Unix or Linux operating systems. The account gives access to a text-based...

catenare meaning "to chain" Originally developed for Unix, it is available on many operating systems and shells today. In addition to combining files, cat is...

In Unix and Unix-like operating systems, job control refers to control of jobs by a shell, especially interactively, where a "job" is a shell's representation...

designed for Unix-like operating systems as a replacement for Telnet and unsecured remote Unix shell protocols, such as the Berkeley Remote Shell (rsh) and...

operating system shells, most support a change directory command, including Unix and Unix-like (i.e. Linux) shells, and Microsoft shells including Command...

Unix, Plan 9, and Unix-like operating systems that evaluates conditional expressions. test was turned into a shell builtin command in 1981 with UNIX System...

wish (Windowing Shell) is a Tcl interpreter extended with Tk commands, available for Unix-like operating systems supporting the X Window System, as well...