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2. List of POSIX commands - Wikipedia

   en.wikipedia.org/wiki/List_of_POSIX_commands

   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.

3. List of GNU Core Utilities commands - Wikipedia

   en.wikipedia.org/wiki/List_of_GNU_Core_Utilities...

   This is a list of commands from the GNU Core Utilities for Unix environments. These commands can be found on Unix operating systems and most Unix-like operating systems. GNU Core Utilities include basic file, shell and text manipulation utilities. Coreutils includes all of the basic command-line tools that are expected in a POSIX system.

4. Unix shell - Wikipedia

   en.wikipedia.org/wiki/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]

5. Bash (Unix shell) - Wikipedia

   en.wikipedia.org/wiki/Bash_(Unix_shell)

   It is available on nearly all modern operating systems, making it a versatile tool in various computing environments. 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.

6. Shell (computing) - Wikipedia

   en.wikipedia.org/wiki/Shell_(computing)

   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 layer ...

7. pwd - Wikipedia

   en.wikipedia.org/wiki/Pwd

   Multics had a pwd command (which was a short name of the print_wdir command) [11] from which the Unix pwd command originated. [12] The command is a shell builtin in most Unix shells such as Bourne shell, ash, bash, ksh, and zsh. It can be implemented easily with the POSIX C functions getcwd() or getwd().

8. Comparison of command shells - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_command_shells

   Support for command history means that a user can recall a previous command into the command-line editor and edit it before issuing the potentially modified command. Shells that support completion may also be able to directly complete the command from the command history given a partial/initial part of the previous command.

9. Linux - Wikipedia

   en.wikipedia.org/wiki/Linux

   This is an accepted version of this page This is the latest accepted revision, reviewed on 19 December 2024. Family of Unix-like operating systems This article is about the family of operating systems. For the kernel, see Linux kernel. For other uses, see Linux (disambiguation). Operating system Linux Tux the penguin, the mascot of Linux Developer Community contributors, Linus Torvalds Written ...