(SUS). These commands are implemented in many shells on modern Unix, Unix-like and other operating systems. This list does not cover commands for all versions...

The standard Unix command who displays a list of users who are currently logged into the computer. The who command is related to the command w, which provides...

directory command to set the working directory. As this applies to most operating system shells, most support a change directory command, including Unix and...

Unix command used to dump the symbol table and their attributes from a binary executable file (including libraries, compiled object modules, shared-object...

A Unix shell is a shell that provides a command-line user interface for a Unix-like operating system. A Unix shell provides a command language that can...

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

permissions and flags collectively. The command originated in AT&T Unix version 1 and was exclusive to Unix and Unix-like operating systems until it was ported...

Each version of the UNIX Time-Sharing System evolved from the version before, with version one evolving from the prototypal Unix. Not all variants and...

shell command for reporting the type of data contained in a file. It is commonly supported in Unix and Unix-like operating systems. As the command uses...

In computing, sleep is a command in Unix, Unix-like and other operating systems that suspends program execution for a specified time. The sleep instruction...

The write command was included in the First Edition of the Research Unix operating system. A similar command appeared in Compatible Time-Sharing System....

accomplished via at. The command name originates from Chronos, the Greek word for time. The command is generally available on Unix-like operating systems...

The Unix command su, which stands for "substitute user" (or historically "superuser"), is used by a computer user to execute commands with the privileges...

top is a task manager or system monitor program, found in many Unix-like operating systems, that displays information about CPU and memory utilization...

designed to be run by a Unix shell, a command-line interpreter. The various dialects of shell scripts are considered to be command languages. Typical operations...

preventing scripts from behaving uniformly as normal system commands. In later versions of Unix-like systems, this inconsistency was removed. Dennis Ritchie...

early 1970s alongside the original AT&T UNIX itself and had a formative influence on the syntax of UNIX command line utilities and therefore also on the...

The Unix command fuser is used to show which processes are using a specified computer file, file system, or Unix socket. For example, to check process...

nice is a program found on Unix and Unix-like operating systems such as Linux. It directly maps to a kernel call of the same name. nice is used to invoke...

Unix System V (pronounced: "System Five") is one of the first commercial versions of the Unix operating system. It was originally developed by AT&T and...

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

In computing, Bash is an interactive command interpreter and programming language developed for Unix-like operating systems. It is designed as a 100%...

additional Time Sharing Option (TSO) commands are available alongside the usual UNIX services, making it possible to process UNIX files using ISPF....

Berkeley r-commands are a suite of computer programs designed to enable users of one Unix system to log in or issue commands to another Unix computer via...

(DCL) in OpenVMS and RSX-11, the various Unix shells (sh, ksh, csh, tcsh, zsh, Bash, etc.), CP/M's CCP, DOS' COMMAND.COM, as well as the OS/2 and the Windows...

The history of Unix dates back to the mid-1960s, when the Massachusetts Institute of Technology, Bell Labs, and General Electric were jointly developing...

commonly called simply UNIX (in caps) or the UNIX Time-Sharing System. Ancient UNIX is any early release of the Unix code base prior to Unix System III, particularly...

the diff and patch commands including their shared file format. The original diff utility was developed in the early 1970s for the Unix operating system...

(February 1985). Multics Commands and Active Functions (AG92-06) (PDF). Retrieved March 30, 2023. "Unix and Multics". "Multics Commands". Multics C User's Guide...

The Unix philosophy, originated by Ken Thompson, is a set of cultural norms and philosophical approaches to minimalist, modular software development. It...