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...

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...

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...

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...

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

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...

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...

many shells on modern Unix, Unix-like and other operating systems. This list does not cover commands for all versions of Unix and Unix-like shells nor...

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...

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 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...

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...

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...

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...

sizeof(type-name) Cast: (type-name) cast-expression In the Unix shell (Bash/Bourne Shell), e.g., the following operators are unary: Pre and Post-Increment:...

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...

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...

interface via PowerShell cmdlets. PowerShell includes its own extensive, console-based help (similar to man pages in Unix shells) accessible via the...

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...

or shell. Examples of command-line interpreters include Nushell, DEC's DIGITAL Command Language (DCL) in OpenVMS and RSX-11, the various Unix shells (sh...

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...

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

via the dirs Unix command or Get-Location -stack PowerShell command. The working directory is at the top of the stack. The first Unix shell to provide a...

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...

Wikibook Guide to Unix has a page on the topic of: Commands df: report free disk space – Shell and Utilities Reference, The Single UNIX Specification, Version...

Here documents originate in the Unix shell, and are found in the Bourne shell since 1979, and most subsequent shells. Here document-style string literals...

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

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

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