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Operating Systems & Open Source: UNIX, MS-DOS, Linux & Open Source Movement

Encyclopedia/2. Technology & The Built World/1. Computing, AI & Information Technology/03. Software Systems & Operating Systems  •  Curated by Admin Timeline.sg

The timeline of operating systems and open source software, from the early Multics and UNIX to modern Linux, Windows, and the open-source movement, highlighting key innovations and community-driven development.

Chronological Storyline (45 Milestones)

1965 CE

Multics project begins

Multics (Multiplexed Information and Computing Service) is a time-sharing operating system project at MIT, Bell Labs, and General Electric. It influenced later systems like UNIX. #operatingsystem #history

Multics project begins
Multics project begins
By VectorVoyager - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=116207801
1969 CE

UNIX development at Bell Labs

Ken Thompson, Dennis Ritchie, and others develop UNIX at Bell Labs, a simple yet powerful operating system that becomes the foundation for many modern OSes. #unix #operatingsystem

UNIX development at Bell Labs
UNIX development at Bell Labs
By Rwoodsmall - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=84193286
Nov 3, 1971 CE

First edition of UNIX released

The first edition of the UNIX operating system is released to universities, including a manual. It grows rapidly in academic settings. #unix #history

First edition of UNIX released
First edition of UNIX released
By Huihermit - Own work, CC0, https://commons.wikimedia.org/w/index.php?curid=30560188
1972 CE

C programming language created

Dennis Ritchie develops the C language at Bell Labs, designed for system programming. It becomes the primary language for UNIX and many OSes. #programming #clanguage )

C programming language created
C programming language created
By Cobaiahackers - Own work, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=127716370
1973 CE

UNIX rewritten in C

UNIX is rewritten in the C programming language, making it portable across hardware platforms. This is a pivotal moment for OS portability. #unix #portability

1977 CE

Berkeley Software Distribution (BSD) released

The first BSD release from the University of California, Berkeley, adds features like the vi editor. It becomes a major UNIX variant. #bsd #opensource

1980 CE

Microsoft develops Xenix

Microsoft licenses UNIX from AT&T to create Xenix, its own version for microcomputers. It is later sold to SCO. #xenix #microsoft

Aug 12, 1981 CE

MS-DOS introduced with IBM PC

Microsoft's MS-DOS becomes the operating system for the IBM Personal Computer, establishing a dominant platform for the coming decade. #msdos #ibmpc

MS-DOS introduced with IBM PC
MS-DOS introduced with IBM PC
By The original uploader was Andrewpmk at English Wikipedia. - Transferred from en.wikipedia to Commons by Codename Lisa., Public domain, https://commons.wikimedia.org/w/index.php?curid=26299991
Sep 27, 1983 CE

Richard Stallman announces GNU project

Richard Stallman announces the GNU project, aiming to create a free Unix-like operating system. This is the start of the free software movement. #gnu #freesoftware

Richard Stallman announces GNU project
Richard Stallman announces GNU project
By The Debian Project - Free software screenshot, GPL, https://commons.wikimedia.org/w/index.php?curid=46879716
Sep 20, 1984 CE

GNU Emacs released

Stallman releases GNU Emacs, a highly extensible text editor, as the first major program of the GNU project. #emacs #editor

GNU Emacs released
GNU Emacs released
By Nicolas Petton - https://git.savannah.gnu.org/cgit/emacs.git/tree/etc/images/icons, GPLv3, https://commons.wikimedia.org/w/index.php?curid=11203815
Nov 20, 1985 CE

Microsoft Windows 1.0 released

Windows 1.0 provides a graphical user interface for MS-DOS, though it is not yet a full operating system. #windows #gui

1986 CE

GNU C Compiler (GCC) released

The GNU C Compiler, now part of the GNU Compiler Collection, is first released, providing a free compiler for C programming. #gcc #compiler

GNU C Compiler (GCC) released
GNU C Compiler (GCC) released
By Isacdaavid - Own work, GPL, https://commons.wikimedia.org/w/index.php?curid=99007835
1987 CE

Minix released by Andrew Tanenbaum

Andrew Tanenbaum releases Minix, a Unix-like operating system for educational purposes, inspiring Linus Torvalds to create Linux. #minix #education

Minix released by Andrew Tanenbaum
Minix released by Andrew Tanenbaum
By Software: Minix developers Screenshot: VulcanSphere - Self-taken; derivative work, BSD, https://commons.wikimedia.org/w/index.php?curid=108002292
Aug 25, 1991 CE

Linux kernel announced by Linus Torvalds

Linus Torvalds announces the Linux kernel on the comp.os.minix newsgroup, starting a new free operating system project. #linux #kernel

Linux kernel announced by Linus Torvalds
Linux kernel announced by Linus Torvalds
By Larry Ewing, Simon Budig, Garrett LeSage - https://isc.tamu.edu/~lewing/linux/, http://www.home.unix-ag.org/simon/penguin/, garrett/Tux on GitHub, CC0, https://commons.wikimedia.org/w/index.php?curid=753970
1992 CE

Linux becomes open source (GPLv2)

Linus Torvalds re-licenses Linux under the GNU General Public License version 2, ensuring it remains free and open. #opensource #gpl

Jun 1, 1993 CE

FreeBSD and NetBSD launched

FreeBSD and NetBSD fork from the BSD codebase, focusing on performance and portability respectively. #bsd #freebsd

FreeBSD and NetBSD launched
FreeBSD and NetBSD launched
By Software: The FreeBSD Project Screenshot: VulcanSphere - Self-taken; derivative work, BSD, https://commons.wikimedia.org/w/index.php?curid=115317849
Nov 3, 1994 CE

Red Hat Linux founded

Red Hat Linux is formed as a distribution, becoming one of the most popular Linux distributions, especially in enterprise. #redhat #linux

Red Hat Linux founded
Red Hat Linux founded
By GNOME & Red Hat - https://guidebookgallery.org/screenshots/gnome220redhat9, GPL, https://commons.wikimedia.org/w/index.php?curid=59214532
Aug 24, 1995 CE

Windows 95 released

Windows 95 is a major upgrade with a new GUI, taskbar, and plug-and-play support, solidifying Microsoft's dominance. #windows95 #gui

Oct 14, 1996 CE

KDE desktop environment started

Matthias Ettrich announces KDE, a free desktop environment for Linux, later hosted on GitHub. #kde #desktop

Aug 1, 1997 CE

GNOME desktop environment started

The GNOME project is launched by Miguel de Icaza and Federico Mena, as a free desktop environment using the GIMP toolkit. #gnome #desktop

GNOME desktop environment started
GNOME desktop environment started
By Sven, Bruce89 and VulcanSphere - http://www.gnome.org/logo-and-trademarks/, LGPL, https://commons.wikimedia.org/w/index.php?curid=907416
Feb 3, 1998 CE

Open Source Initiative founded

The Open Source Initiative (OSI) is founded by Christine Peterson and others to promote the open-source software movement. #opensource #osi

Open Source Initiative founded
Open Source Initiative founded
By Colin Viebrock - Own work using: https://opensource.org/osi-logo-files/, Public domain, https://commons.wikimedia.org/w/index.php?curid=1853734
Mar 31, 1998 CE

Mozilla project launched

Netscape releases the source code of its browser, forming the Mozilla project, which later leads to Firefox. #mozilla #browser

1999 CE

IBM supports Linux

IBM announces major investments in Linux, including porting its enterprise software to the open-source OS. #linux #ibm

Mar 24, 2000 CE

Mac OS X based on Darwin

Apple releases Mac OS X, built on the Darwin kernel derived from BSD, integrating a Unix-like foundation with a modern GUI. #macos #darwin

Oct 25, 2001 CE

Windows XP released

Windows XP merges the consumer and business OS lines, becoming one of the most popular Windows versions ever. #windowsxp #microsoft

May 1, 2002 CE

OpenOffice.org released

Sun Microsystems releases OpenOffice.org, a free open-source office suite, as a competitor to Microsoft Office. #openoffice #office

OpenOffice.org released
OpenOffice.org released
By OpenOffice.org (Oracle) - Screenshot by Enio, LGPL, https://commons.wikimedia.org/w/index.php?curid=12658531
Sep 23, 2003 CE

Firefox browser launched (Phoenix)

Mozilla releases Firefox 1.0 (originally named Phoenix), a fast and secure browser that gains significant market share. #firefox #browser

Firefox browser launched (Phoenix)
Firefox browser launched (Phoenix)
By Mozilla Corporation - https://phabricator.services.mozilla.com/D41016, MPL 2, https://commons.wikimedia.org/w/index.php?curid=81490422
Oct 20, 2004 CE

Ubuntu Linux first release

Canonical releases Ubuntu 4.10, a user-friendly Linux distribution based on Debian, aiming to make Linux accessible to everyone. #ubuntu #linux

Ubuntu Linux first release
Ubuntu Linux first release
By Canonical Ltd. - https://assets.ubuntu.com/v1/ff6a9a38-ubuntu-logo-2022.svg, Public domain, https://commons.wikimedia.org/w/index.php?curid=117107494
Apr 7, 2005 CE

Git created by Linus Torvalds

Linus Torvalds creates Git, a distributed version control system, for managing the Linux kernel source code. It becomes the standard for open-source projects. #git #versioncontrol

Git created by Linus Torvalds
Git created by Linus Torvalds
By Jason Long - Own work using: http://git-scm.com/downloads/logos, CC BY 3.0, https://commons.wikimedia.org/w/index.php?curid=19329352
Aug 17, 2005 CE

Android (open source) acquired by Google

Google acquires Android Inc., which was developing an open-source mobile OS. Android later becomes the world's most popular mobile platform. #android #mobile )

Oct 8, 2006 CE

GitHub launched

GitHub, a hosting service for Git repositories, is launched, revolutionizing collaboration and distribution of open-source code. #github #collaboration

GitHub launched
GitHub launched
By Contributors of github/docs - https://github.com/github/docs, CC BY 4.0, https://commons.wikimedia.org/w/index.php?curid=163670123
Nov 5, 2007 CE

Android open source OS unveiled

Google unveils Android, a free and open-source mobile operating system based on a modified Linux kernel, leading to the Open Handset Alliance. #android #opensource )

Sep 23, 2008 CE

Android 1.0 released

The first commercial version of Android, version 1.0, is released with the HTC Dream (G1) phone. #android #mobile

Jul 22, 2009 CE

Google Chrome OS announced

Google announces Chrome OS, a Linux-based operating system focused on web apps and security, later becoming Chromium OS. #chromeos #linux

Mar 1, 2010 CE

Docker container technology began

Docker, a platform for containerization, is started as an internal project at dotCloud. It later revolutionizes deployment and DevOps. #docker #containers )

Docker container technology began
Docker container technology began
By Software: Docker, Inc.Screenshot: VulcanSphere - Self-taken; derivative work, Apache License 2.0, https://commons.wikimedia.org/w/index.php?curid=182060522
Jul 1, 2011 CE

Chromium OS becomes open source

Google makes Chromium OS the open-source version of Chrome OS, allowing anyone to build and modify it. #chromium #opensource

Chromium OS becomes open source
Chromium OS becomes open source
By The Chromium Authors/Google - My screenshot of the desktop, CC BY-SA 4.0, https://commons.wikimedia.org/w/index.php?curid=91120137
Mar 1, 2012 CE

Docker open source release

Docker is released as an open-source project, popularizing containerization for development and production. #docker #opensource )

Sep 1, 2013 CE

Manjaro Linux first release

Manjaro Linux, a user-friendly Arch Linux-based distribution, is first released, focusing on ease of use and accessibility. #manjaro #linux

Manjaro Linux first release
Manjaro Linux first release
By NotRepubilcTV - Manjaro, GPL, https://commons.wikimedia.org/w/index.php?curid=151687800
Apr 1, 2014 CE

Microsoft open sources .NET Core

Microsoft open-sources .NET Core, a cross-platform framework, marking a significant shift in its commitment to open source. #dotnet #opensource

Microsoft open sources .NET Core
Microsoft open sources .NET Core
By Microsoft - https://github.com/dotnet/brand/blob/main/logo/dotnet-logo.svg, Public domain, https://commons.wikimedia.org/w/index.php?curid=90587630
Jun 1, 2015 CE

Kubernetes open source release

Google open-sources Kubernetes, a container orchestration platform, becoming the de facto standard for managing containers. #kubernetes #containers

Jul 29, 2015 CE

Windows 10 released

Windows 10 is released with a unified platform across devices, free upgrade from Windows 7/8, and the Windows Subsystem for Linux later. #windows10 #microsoft

Sep 1, 2016 CE

Fuchsia OS announced

Google announces Fuchsia, an open-source operating system not based on Linux, aiming for a new kernel and platform. #fuchsia #opensource

Fuchsia OS announced
Fuchsia OS announced
By Flipflop271 - Self-photographed, Apache License 2.0, https://commons.wikimedia.org/w/index.php?curid=60633523
Jun 1, 2017 CE

Windows Subsystem for Linux (WSL) released

Microsoft introduces WSL, allowing users to run Linux binaries natively on Windows 10, enhancing interoperability. #wsl #windows

Windows Subsystem for Linux (WSL) released
Windows Subsystem for Linux (WSL) released
By Canonical, Ltd., Microsoft - Screenshot, GPL, https://commons.wikimedia.org/w/index.php?curid=70653741
Oct 26, 2018 CE

Microsoft acquires GitHub

Microsoft acquires GitHub for $7.5 billion, signifying strong corporate support for the open-source community. #github #microsoft

Oct 5, 2021 CE

Windows 11 released

Windows 11 introduces a redesigned interface, new features, and support for Android apps via the Amazon Appstore. #windows11 #microsoft