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As a command processor, Bash operates within a text window where users input commands to execute various tasks. It also supports the execution of commands from files, known as shell scripts, facilitating automation. In keeping with Unix shell conventions, Bash incorporates a rich set of features.
This is a list of POSIX (Portable Operating System Interface) commands as specified by IEEE Std 1003.1-2024, which is part of the Single UNIX Specification (SUS). These commands can be found on Unix operating systems and most Unix-like operating systems. This is not a comprehensive list of all utilities that existed in the various historic Unix ...
Fish (Unix shell) Fish (stylized in lowercase) is a Unix shell with a focus on interactivity and usability. Fish is designed to be feature-rich, rather than highly configurable. [4] Fish is considered an exotic shell since it does not adhere to POSIX shell standards, at the discretion of its maintainers. [5]
In computing, a shell is a computer program that exposes an operating system 's services to a human user or other programs. In general, operating system shells use either a command-line interface (CLI) or graphical user interface (GUI), depending on a computer's role and particular operation. It is named a shell because it is the outermost ...
Unix shell. 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 command language and a scripting language, and is used by the operating system to control the execution of the system using shell scripts. [ 2]
Type. Command. In Unix-like operating systems, find is a command-line utility that locates files based on some user -specified criteria and either prints the pathname of each matched object or, if another action is requested, performs that action on each matched object. It initiates a search from a desired starting location and then recursively ...
In computing, touch is a command used to update the access date and/or modification date of a computer file or directory. It is included in Unix and Unix-like operating systems, TSC 's FLEX, [1] Digital Research / Novell DR DOS, the AROS shell, [2] the Microware OS-9 shell, [3] and ReactOS. [4] The command is also available for FreeDOS [5] and ...
A Linux distribution[ a] (often abbreviated as distro) is an operating system made from a software collection that includes the Linux kernel and often a package management system. They are often obtained from the website of each distribution, which are available for a wide variety of systems ranging from embedded devices (for example, OpenWrt ...