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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. This is not a comprehensive list of all utilities that existed in ...
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.
It includes all commands that are standardized by the Internet Engineering Task Force (IETF) in RFC 959, plus extensions. Note that most command-line FTP clients present their own non-standard set of commands to users. For example, GET is the common user command to download a file instead of the raw command RETR.
Bash, short for Bourne-Again SHell, is a shell program and command language supported by the Free Software Foundation [ 2] and first developed for the GNU Project [ 3] by Brian Fox. [ 4] Designed as a 100% [ 5] free software alternative for the Bourne shell, [ 6][ 7][ 8] it was initially released in 1989. [ 9]
A Linux-based system is a modular Unix-like operating system, deriving much of its basic design from principles established in Unix during the 1970s and 1980s. Such a system uses a monolithic kernel, the Linux kernel, which handles process control, networking, access to the peripherals, and file systems.
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 ...
This is a list of file signatures, data used to identify or verify the content of a file.Such signatures are also known as magic numbers or Magic Bytes.; Many file formats are not intended to be read as text.
Many of these commands may be combined with ⇧ Shift to select a region of text. [13] [14] [notes 6] In macOS, holding ⌘ Command while dragging mouse can be used to invert selection, and holding ⌥ Option can be used to select by rectangular area in some apps. (These two functionalities may be combined).