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  2. Unix - Wikipedia

    en.wikipedia.org/wiki/Unix

    Popular distributions include Red Hat Enterprise Linux, Fedora, SUSE Linux Enterprise, openSUSE, Debian, Ubuntu, Linux Mint, Slackware Linux, Arch Linux and Gentoo. [ 33 ] A free derivative of BSD Unix, 386BSD , was released in 1992 and led to the NetBSD and FreeBSD projects.

  3. X Window System - Wikipedia

    en.wikipedia.org/wiki/X_Window_System

    The X Window System (X11, or simply X; stylized 𝕏) is a windowing system for bitmap displays, common on Unix-like operating systems.. X originated as part of Project Athena at Massachusetts Institute of Technology (MIT) in 1984. [3]

  4. List of POSIX commands - Wikipedia

    en.wikipedia.org/wiki/List_of_POSIX_commands

    Utilities listed in POSIX.1-2017. 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).

  5. Operating system - Wikipedia

    en.wikipedia.org/wiki/Operating_system

    Android is a partially open-source operating system closely based on Linux and has become the most widely used operating system by users, due to its popularity on smartphones and, to a lesser extent, embedded systems needing a GUI, such as "smart watches, automotive dashboards, airplane seatbacks, medical devices, and home appliances". [140]

  6. Shell script - Wikipedia

    en.wikipedia.org/wiki/Shell_script

    Editing a FreeBSD shell script for configuring ipfirewall. A shell script is a computer program designed to be run by a Unix shell, a command-line interpreter. [1] The various dialects of shell scripts are considered to be command languages.

  7. 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 ...

  8. History of Unix - Wikipedia

    en.wikipedia.org/wiki/History_of_Unix

    Linux 3.2.0 has 380 system calls and FreeBSD 8.0 has over 450. A microprocessor port of Unix, to the LSI-11, was completed in 1978, [24] and an Intel 8086 version was reported to be "in progress" the same year. [21] The first microcomputer versions of Unix, and Unix-like operating systems like Whitesmiths' Idris, appeared in the late 1970s. [20]

  9. W3Schools - Wikipedia

    en.wikipedia.org/wiki/W3Schools

    W3Schools is a freemium educational website for learning coding online. [1] [2] Initially released in 1998, it derives its name from the World Wide Web but is not affiliated with the W3 Consortium. [3] [4] [unreliable source] W3Schools offers courses covering many aspects of web development. [5] W3Schools also publishes free HTML templates.