Portal:Linux
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The Linux Portal
Linux (/ˈlɪnʊks/, LIN-uuks) is a family of open-source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991, by Linus Torvalds. Linux is typically packaged as a Linux distribution (distro), which includes the kernel and supporting system software and libraries, many of which are provided by the GNU Project.
Linux was originally developed for personal computers based on the Intel x86 architecture, but has since been ported to more platforms than any other operating system. Because of the dominance of Linux-based Android on smartphones, Linux, including Android, has the largest installed base of all general-purpose operating systems as of May 2022[update]. Linux is, as of March 2024[update], used by around 4 percent of desktop computers. The Chromebook, which runs the Linux kernel-based ChromeOS, dominates the US K–12 education market and represents nearly 20 percent of sub-$300 notebook sales in the US. Linux is the leading operating system on servers (over 96.4% of the top one million web servers' operating systems are Linux), leads other big iron systems such as mainframe computers, and is used on all of the world's 500 fastest supercomputers (as of November 2017[update], having gradually displaced all competitors).
Linux also runs on embedded systems, i.e., devices whose operating system is typically built into the firmware and is highly tailored to the system. This includes routers, automation controls, smart home devices, video game consoles, televisions (Samsung and LG smart TVs), automobiles (Tesla, Audi, Mercedes-Benz, Hyundai, and Toyota), and spacecraft (Falcon 9 rocket, Dragon crew capsule, and the Ingenuity Mars helicopter). (Full article...)
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The Linux kernel mailing list (LKML) is the main electronic mailing list for Linux kernel development, where the majority of the announcements, discussions, debates, and flame wars over the kernel take place. Many other mailing lists exist to discuss the different subsystems and ports of the Linux kernel, but LKML is the principal communication channel among Linux kernel developers. It is a very high-volume list, usually receiving about 1,000 messages each day, most of which are kernel code patches.
Linux utilizes a workflow governed by LKML, which is the "bazaar" where kernel development takes place. In his book Linux Kernel Development, Robert Love notes: (Full article...) -
Knoppix, stylized KNOPPIX, (/ˈknɒpɪks/ KNOP-iks) is an operating system based on Debian designed to be run directly from a CD / DVD (Live CD) or a USB flash drive (Live USB). It was first released in 2000 by German Linux consultant Klaus Knopper, and was one of the first popular live distributions. Knoppix is loaded from the removable medium and decompressed into a RAM drive. The decompression is transparent and on-the-fly.
There are two main editions, available in both English and German: the traditional compact-disc (700 megabytes) edition and the DVD (4.7 gigabytes) "Maxi" edition. (Full article...) -
Tux Racer is a 2000 open-source winter sports racing video game starring the Linux mascot, Tux the penguin. It was originally developed by Jasmin Patry as a computer graphics project at the University of Waterloo. Later on, Patry and the newly founded Sunspire Studios, composed of several former students of the university, expanded it. In the game, the player controls Tux as he slides down a course of snow and ice collecting herrings.
Tux Racer was officially downloaded over one million times as of 2001. It also was well received, often being acclaimed for the graphics, fast-paced gameplay, and replayability, and was a fan favorite among Linux users and the free software community. The game's popularity secured the development of a proprietized release that included enhanced graphics and multiplayer, and it also became the first GPL-licensed game to receive an arcade adaptation. It is the only product that Sunspire Studios developed and released, after which the company liquidated. (Full article...) -
Red Hat Enterprise Linux (RHEL) is a commercial open-source Linux distribution developed by Red Hat for the commercial market. Red Hat Enterprise Linux is released in server versions for x86-64, Power ISA, ARM64, and IBM Z and a desktop version for x86-64. Fedora Linux and CentOS Stream serve as its upstream sources. All of Red Hat's official support and training, together with the Red Hat Certification Program, focuses on the Red Hat Enterprise Linux platform.
The first version of Red Hat Enterprise Linux to bear the name originally came onto the market as "Red Hat Linux Advanced Server". In 2003, Red Hat rebranded Red Hat Linux Advanced Server to "Red Hat Enterprise Linux AS" and added two more variants, Red Hat Enterprise Linux ES and Red Hat Enterprise Linux WS. (Full article...) -
GNOME (/ɡəˈnoʊm/, /ˈnoʊm/) originally an acronym for GNU Network Object Model Environment, is a free and open-source desktop environment for Linux and other Unix-like operating systems.
Many major Linux distributions, including Debian, Fedora Linux, Ubuntu, Red Hat Enterprise Linux, and SUSE Linux Enterprise distribute GNOME as their default desktop environment; it is also the default in Oracle Solaris, a Unix operating system. (Full article...) -
Besides the Linux distributions designed for general-purpose use on desktops and servers, distributions may be specialized for different purposes including computer architecture support, embedded systems, stability, security, localization to a specific region or language, targeting of specific user groups, support for real-time applications, or commitment to a given desktop environment. Furthermore, some distributions deliberately include only free software. As of 2015[update], over four hundred Linux distributions are actively developed, with about a dozen distributions being most popular for general-purpose use. (Full article...)
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Loki Software, Inc. (Loki Entertainment) was an American video game developer based in Tustin, California, that ported several video games from Microsoft Windows to Linux. It took its name from the Norse deity Loki. Although successful in its goal of bringing games to the Linux platform, the company folded in January 2002 after filing for bankruptcy. (Full article...)
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A screenshot of Debian 10 (Buster) with the GNOME desktop environment
Debian releases do not follow a fixed schedule. Recent releases have been made around every two years by the Debian Project. The most recent version of Debian is Debian version 12, codename "Bookworm". The next up and coming release of Debian is Debian 13, codename "Trixie".
Debian always has at least three active branches at any time: "stable", "testing" and "unstable". The stable branch is considered the primary release and what most people refer to when talking about Debian. The testing branch contains packages that have been imported from unstable. Testing has significantly more up-to-date packages than stable and is frozen some time before a release to become the next version of Debian. The unstable release (also known as Sid) is the branch where active development takes place. It is the most volatile version of Debian. (Full article...) -
Ubuntu (/ʊˈbʊntuː/ uu-BUUN-too) is a Linux distribution derived from Debian and composed mostly of free and open-source software. Ubuntu is officially released in multiple editions: Desktop, Server, and Core for Internet of things devices and robots. The operating system is developed by the British company Canonical and a community of other developers, under a meritocratic governance model. As of October 2024[update], the latest interim release is 24.10 ("Oracular Oriole"), with most-recent long-term support release is 24.04 ("Noble Numbat").
As with other Linux distributions, all of the editions can run on a computer alone, or in a virtual machine. An upgrade to Ubuntu is released every six months, with long-term support (LTS) releases every two years. Canonical provides security updates and support for each Ubuntu release, starting from the release date until the release reaches its designated end-of-life (EOL) date. Canonical generates revenue through the sale of premium services related to the Ubuntu software and donations from those who download Ubuntu directly. (Full article...) -
Mandriva Linux (a fusion of the French distribution Mandrake Linux and the Brazilian distribution Conectiva Linux) is a discontinued Linux distribution developed by Mandriva S.A.
Each release lifetime was 18 months for base updates (Linux, system software, etc.) and 12 months for desktop updates (window managers, desktop environments, web browsers, etc.). Server products received full updates for at least five years after their release. (Full article...) -
Android is a mobile operating system based on a modified version of the Linux kernel and other open-source software, designed primarily for touchscreen-based mobile devices such as smartphones and tablets. It is the world's most widely used operating system due to it being used on most smartphones and tablets outside of iPhones and iPads, which use Apple's iOS and iPadOS, respectively. As of October 2024[update], Android accounts for 45% of the global operating system market, followed by Windows with 26%.
Android has historically been developed by a consortium of developers known as the Open Handset Alliance, but its most widely used version is primarily developed by Google. It was unveiled in November 2007, with the first commercial Android device, the HTC Dream, being launched in September 2008. (Full article...) -
CentOS (/ˈsɛntɒs/, from Community Enterprise Operating System; also known as CentOS Linux) is a discontinued Linux distribution that provided a free and open-source community-supported computing platform, functionally compatible with its upstream source, Red Hat Enterprise Linux (RHEL). In January 2014, CentOS announced the official joining with Red Hat while staying independent from RHEL, under a new CentOS governing board.
The first CentOS release in May 2004, numbered as CentOS version 2, was forked from RHEL version 2.1AS. Since version 8, CentOS officially supports the x86-64, ARM64, and POWER8 architectures, and releases up to version 6 also supported the IA-32 architecture. As of December 2015[update], AltArch releases of CentOS 7 are available for the IA-32 architecture, Power ISA, and for the ARMv7hl and AArch64 variants of the ARM architecture. CentOS 8 was released on 24 September 2019. (Full article...) -
Debian (/ˈdɛbiən/), also known as Debian GNU/Linux, is a free and open source Linux distribution, developed by the Debian Project, which was established by Ian Murdock in August 1993. Debian is the basis for many other distributions, such as Ubuntu, Linux Mint, Tails, Proxmox, Kali Linux, Pardus, TrueNAS SCALE, and Astra Linux.
Debian is one of the oldest operating systems based on the Linux kernel and, as of September 2023, the second oldest Linux distribution still in active development, only behind Slackware. The project is coordinated over the Internet by a team of volunteers guided by the Debian Project Leader and three foundational documents: the Debian Social Contract, the Debian Constitution, and the Debian Free Software Guidelines. New distributions are updated continually, and the next candidate is released after a time-based freeze. (Full article...) -
The Linux kernel is a free and open source, UNIX-like kernel that is used in many computer systems worldwide. The kernel was created by Linus Torvalds in 1991 and was soon adopted as the kernel for the GNU operating system (OS) which was created to be a free replacement for Unix. Since the late 1990s, it has been included in many operating system distributions, many of which are called Linux. One such Linux kernel operating system is Android which is used in many mobile and embedded devices.
Most of the kernel code is written in C as supported by the GNU compiler collection (GCC) which has extensions beyond standard C. The code also contains assembly code for architecture-specific logic such as optimizing memory use and task execution. The kernel has a modular design such that modules can be integrated as software components – including dynamically loaded. The kernel is monolithic in an architectural sense since the entire OS runs in kernel space. (Full article...) -
Linux malware includes viruses, Trojans, worms and other types of malware that affect the Linux family of operating systems. Linux, Unix and other Unix-like computer operating systems are generally regarded as very well-protected against, but not immune to, computer viruses. (Full article...)
Release news
- 2024-10-29 Fedora Linux 41 released.
- 2024-10-10 Ubuntu 24.10 "Oracular Oriole" released.
- 2024-09-18 GNOME 47 released. (announcement)
- 2024-09-15 Linux kernel 6.11 released.
- 2024-07-14 Linux kernel 6.10 released.
- 2024-05-12 Linux kernel 6.9 released.
- 2024-04-25 Ubuntu 24.04 LTS "Noble Numbat" released.
- 2024-04-23 Fedora Linux 40 released.
- 2024-03-20 GNOME 46 released. (announcement)
- 2024-03-10 Linux kernel 6.8 released.
- 2024-02-28 KDE Plasma 6 released.
- 2024-01-07 Linux kernel 6.7 released.
- 2023-11-20 Rocky Linux 9.3 released
- 2023-11-07 Fedora Linux 39 released.
- 2023-10-30 Linux kernel 6.6 released.
- 2023-10-12 Ubuntu 23.10 "Mantic Minotaur" released.
- 2023-09-20 GNOME 45 released.
- 2023-08-27 Linux kernel 6.5 released.
- 2023-06-26 Linux kernel 6.4 released.
- 2023-06-10 Debian 12 "bookworm" released.
- 2023-05-16 Rocky Linux 9.2 released.
- 2023-05-10 AlmaLinux 9.2 "Turquoise Kodkod" released.
- 2023-04-23 Linux kernel 6.3 released.
- 2023-04-20 Ubuntu 23.04 "Lunar Lobster" released.
- 2023-03-22 GNOME 44 released.
- 2023-02-19 Linux kernel 6.2 released.
- 2022-12-11 Linux kernel 6.1 released.
- 2022-11-16 Red Hat Enterprise Linux 9.1 and AlmaLinux 9.1 released.
- 2022-11-15 Fedora Linux 37 released.
- 2022-10-20 Ubuntu 22.10 "Kinetic Kudu" released.
- 2022-10-02 Linux kernel 6.0 released.
- 2022-09-21 GNOME 43 released-
- 2022-07-31 Linux kernel 5.19 released.
- 2022-05-26 AlmaLinux 9 released.
- 2022-05-22 Linux kernel 5.18 released.
- 2022-05-18 Red Hat Enterprise Linux 9 released.
- 2022-05-10 Fedora Linux 36 released.
- 2022-04-21 Ubuntu 22.04 LTS "Jammy Jellyfish" released.
- 2022-03-23 GNOME 42 released.
- 2022-03-20 Linux kernel 5.17 released.
- 2022-02-02 Slackware 15.0 released.
- 2022-01-09 Linux kernel 5.16 released.
- 2021-11-02 Fedora Linux 35 released.
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Android 10
The versions of the Android mobile operating system began with the public release of the Android beta on November 5, 2007. The first commercial version, Android 1.0, was released on September 23, 2008. Android is continually developed by Google and the Open Handset Alliance (OHA), and it has seen several updates to its base operating system since the initial release.
Related portals
Selected biographies -
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Sage Weil (born March 17, 1978) is the founder and chief architect of Ceph, a distributed storage platform. He also was the creator of WebRing, a co-founder of Los Angeles–based hosting company DreamHost, and the founder and CTO of Inktank. Weil now works for Red Hat as the chief architect of the Ceph project.
Weil earned a Bachelor of Science in computer science from Harvey Mudd College in 2000 and completed his PhD in 2007 at the University of California, Santa Cruz working with Prof. Scott Brandt on consistency protocols, data distribution (CRUSH), and the metadata manager in the Ceph distributed file system. In 2014, he won an O'Reilly Open Source Award. (Full article...) -
David Stephen Miller (born November 26, 1974) is an American software developer working on the Linux kernel, where he is the primary maintainer of the networking subsystem and individual networking drivers, the SPARC implementation, and the IDE subsystem. With other people, he co-maintains the crypto API, KProbes, IPsec, and is also involved in other development work.
He is also a founding member of the GNU Compiler Collection (GCC) steering committee. (Full article...) -
Rusty Russell is an Australian free software programmer and advocate, known for his work on the Linux kernel's networking subsystem and the Filesystem Hierarchy Standard. (Full article...) -
Con Kolivas is a Greek-Australian anaesthetist. He has worked as a computer programmer on the Linux kernel and on the development of the cryptographic currency mining software CGMiner. His Linux contributions include patches for the kernel to improve its desktop performance, particularly reducing I/O impact. (Full article...)
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Stephen C. Tweedie is a Scottish software developer who is known for his work on the Linux kernel, in particular his work on filesystems.
After becoming involved with the development of the ext2 filesystem working on performance issues, he led the development of the ext3 filesystem which involved adding a journaling layer (JBD) to the ext2 filesystem. For his work on the journaling layer, he has been described by fellow Linux developer Andrew Morton as "a true artisan". (Full article...) -
Benjamin at Software Freedom Day, 2010
Donna Benjamin is an Australian open source community contributor, commentator and advocate. She has served in board positions with community organisations including Open Source Industry Australia, Drupal Association and the Ada Initiative, and was the lead organiser of the 2008 linux.conf.au conference in Melbourne. She regularly ran the Community Leadership Summit X at LCA (clsXlca), a workshop focussing on community development in open source projects, as well as community summits at DrupalCon. In 2011 she organised a crowdfunding campaign called Digitise The Dawn, which successfully raised funds to digitise The Dawn, an early feminist journal published in Australia between 1888 and 1905.
In 2012 she received the Rusty Wrench Award from Linux Australia in recognition of her contributions. She runs a micro-business called Creative Contingencies, which specialises in the Drupal content management platform. (Full article...) -
Benjamin Mako Hill is a free software activist, hacker, author, and professor. He is a contributor and free software developer as part of the Debian and Ubuntu projects as well as the co-author of three technical manuals on the subject, Debian GNU/Linux 3.1 Bible, The Official Ubuntu Server Book, and The Official Ubuntu Book.
Hill is an associate professor in Communication at the University of Washington. (Full article...) -
Michael Kerrisk is a technical author, programmer and, since 2004, maintainer of the Linux man-pages project, succeeding Andries Brouwer. He was born in 1961 in New Zealand and lives in Munich, Germany.
Kerrisk has worked for Digital Equipment, Google, The Linux Foundation and, as an editor and writer, for LWN.net. Currently, he works as a freelance consultant and trainer. (Full article...) -
Federico Heinz at Wikimania 2009
Federico Heinz is an Argentinian programmer and Free Software advocate living in London. He is a co-founder and former president of Fundación Vía Libre, a non-profit organization that promotes the free flow of knowledge as a motor for social progress, and the use and development of Free Software. He has helped legislators such an Argentina's Ing. Dragan, Dr. Conde, and Peru's Dr. Villanueva draft and defend legislation demanding the use of Free Software in all areas of public administration.
He works at Google in their UK office. (Full article...) -
Ian Ashley Murdock (April 28, 1973 – December 28, 2015) was an American software engineer, known for being the founder of the Debian project and Progeny Linux Systems, a commercial Linux company. (Full article...) -
Chris Wright is a Linux kernel developer and CTO with Red Hat. He was the Linux kernel co-maintainer for the -stable branch with Greg Kroah-Hartman. He is involved in Linux kernel security related topics and is currently the maintainer for the LSM framework.
Wright also serves as the Chair of the OpenDaylight Project Board of Directors. (Full article...) -
Andrew Morton may refer to:
- Andrew Morton (computer programmer) (born 1959), Linux kernel programmer/coordinator
- Andrew Morton (painter) (1802–1845), English portrait artist
- Andrew Morton (writer) (born 1953), biographer of Diana, Princess of Wales, Angelina Jolie, Madonna, amongst others
- Andy Morton, Australian rugby league footballer for North Sydney Bears
- Andrew Morton (1812–1881), pioneering doctor and coroner of Weetangera, Australian Capital Territory
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Matthew Garrett is an Irish technologist, programmer, and free software activist who is a major contributor to a series of free software projects including Linux, GNOME, Debian, Ubuntu, and Red Hat. He has received the Free Software Award from the Free Software Foundation (FSF) for his work on Secure Boot, UEFI, and the Linux kernel. (Full article...) -
Mark Richard Shuttleworth (born 18 September 1973) is a South African and British entrepreneur who is the founder and CEO of Canonical, the company behind the development of the Linux-based Ubuntu operating system. In 2002, Shuttleworth became the first African to travel to space, doing so as a space tourist. He lives on the Isle of Man and holds dual citizenship from South Africa and the United Kingdom. According to the Sunday Times Rich List in 2020, Shuttleworth is worth an estimated £500 million. (Full article...) -
Keith Packard (born April 16, 1963) is a software developer, best known for his work on the X Window System.
Packard is responsible for many X extensions and technical papers on X. He has been heavily involved in the development of X since the late 1980s as a member of the MIT X Consortium, XFree86 and the X.Org Foundation. (Full article...)
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General images -
The following are images from various Linux-related articles on Wikipedia.
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The official logo (also known as open use logo) that contains the well-known Debian swirl (from Debian) -
Debian 6 (Squeeze), 2011 (from Debian) -
Debian 4 (Etch), 2007 (from Debian) -
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At XDC2014, Alex Deucher from AMD announced the unified kernel-mode driver. The proprietary Linux graphic driver, libGL-fglrx-glx, will share the same DRM infrastructure with Mesa 3D. As there is no stable in-kernel ABI, AMD had to constantly adapt the former binary blob used by Catalyst. (from Linux kernel) -
Sankey diagram of Linux Kernel Source Lines of Code (from Linux kernel) -
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Debian 10 installation menu (BIOS Mode) (from Debian) -
Xfce is default on CD images and non-Linux ports. (from Debian) -
Four interfaces are distinguished: two internal to the kernel, and two between the kernel and userspace. (from Linux kernel) -
Logo of Debian GNU/kFreeBSD (from Debian) -
Logo of GNU Hurd (from Debian) -
Redevelopment costs of Linux kernel (from Linux kernel) -
Text version of the Debian Installer (from Debian) -
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Linux kernel panic output (from Linux kernel) -
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Screenshot of GDebi Package installer (from Debian) -
Ubuntu - Version History - Visual Timeline - 20231019 (from Ubuntu) -
Cloud Ubuntu Orange Box -
Eucalyptus interface (from Ubuntu) -
Boot messages of a Linux kernel 2.6.25.17 (from Linux kernel) -
The Linux Storage Stack Diagram (from Linux kernel) -
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![Image 27Ubuntu family tree[dubious – discuss] (from Ubuntu)](//upload.wikimedia.org/wikipedia/commons/thumb/7/79/UbuntuFamilyTree1210.svg/108px-UbuntuFamilyTree1210.svg.png)
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Graphical version of the Debian Installer (from Debian) -
The Linux kernel supports various hardware architectures, providing a common platform for software, including proprietary software. (from Linux kernel) -
Deepin logo (from Ubuntu) -
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Package installed with Aptitude (from Debian) -
Debian 10 console login and welcome message (from Debian) -
Fedora KDE Plasma Desktop, one of the several official Fedora Spins (from Fedora Linux) -
Fedora 21, a version that brought experimental Wayland and HiDPI support (2014-12) (from Fedora Linux) -
The core values of the Fedora community (from Fedora Linux) -
Map of the Linux kernel (from Linux kernel) -
Fedora Workstation 35 installation summary (from Fedora Linux) -
A Debian 10 Buster box cover (from Debian)
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![Image 27Ubuntu family tree[dubious – discuss] (from Ubuntu)](/wiki/File:UbuntuFamilyTree1210.svg)
Did you know?
- ... that researchers submitting to the IEEE Symposium on Security and Privacy intentionally introduced security bugs into Linux?
- ... that it is now possible to run Linux on an Apple-silicon Mac?
- ... that Leafpad is a text editor for Linux that is comparable to Notepad for Windows?
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