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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]
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]
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.
cksum. Checksums (IEEE Ethernet CRC-32) and count the bytes in a file. Supersedes other *sum utilities with -a option from version 9.0. comm. Compares two sorted files line by line. csplit. Splits a file into sections determined by context lines. cut. Removes sections from each line of files.
JP Software command-line processors provide user-configurable colorization of file and directory names in directory listings based on their file extension and/or attributes through an optionally defined %COLORDIR% environment variable. For the Unix/Linux shells, this is a feature of the ls command and the terminal.
Command-line interface. A command-line interface ( CLI) is a means of interacting with a computer program by inputting lines of text called command-lines. Command-line interfaces emerged in the mid-1960s, on computer terminals, as an interactive and more user-friendly alternative to the non-interactive interface available with punched cards ...
Debian family tree. Debian (a portmanteau of the names "Deb" and "Ian") Linux is a distribution that emphasizes free software.It supports many hardware platforms. Debian and distributions based on it use the .deb package format [2] and the dpkg package manager and its frontends (such as apt or synaptic).
yum (software) The Yellowdog Updater Modified ( YUM) is a free and open-source command-line package-management utility for computers running the Linux operating system using the RPM Package Manager. [ 4] Though YUM has a command-line interface, several other tools provide graphical user interfaces to YUM functionality.