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Timeline of operating systems

This article presents a timeline of events in the history of computer operating systems from 1951 to the current day. For a narrative explaining the overall developments, see the History of operating systems.

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1950s

1960s

1970s

1980s

1990s

2000s

Year–monthWindowsAppleBSDLinuxOthers
2000–01
2000–02Windows 200050Solaris 8
2000–03FreeBSD 4.0Red Hat Linux 6.2EAtheOSBeOS R5
2000–04Pocket PC 2000
2000–05MenuetOS
2000–06Windows CE 3.0OpenBSD 2.7Plan 9 Third Edition51
2000–07Windows 2000 Service Pack 1OS/400 V4R5
2000–08Debian 2.2MorphOS 0.152
2000–09Windows Millennium Edition53Mac OS X Public BetaSUSE Linux 7.0
2000–10z/OSz/VMMorphOS 0.2
2000–11
2000–12NetBSD 1.5OpenBSD 2.8AmigaOS 3.954HP-UX 11i
2001–01Mac OS 9.1
2001–02MorphOS 0.455
2001–03Mac OS X Cheetah (v10.0)
2001–04
2001–05Windows 2000 Service Pack 2AIX 5L 5.1OS/400 V5R1
2001–06OpenBSD 2.9
2001–07Mac OS 9.2eComStation 1.0
2001–08Haiku56
2001–09Mac OS X Puma (v10.1)
2001–10Pocket PC 2002Windows XP57Windows XP 64-bit Edition 200258Novell NetWare 6.0
2001–11
2001–12OpenBSD 3.0OS/2 4.52
2002–01Windows CE 4.xJX microkernel for Java Sanos microkernel59 for net appliances K42 microkernel for NUMA machines
2002–02
2002–03Red Hat Enterprise Linux 2.1 AS
2002–04SUSE Linux 8.0Plan 9 Fourth Edition60
2002–05OpenBSD 3.1Solaris 9 (SPARC)
2002–06
2002–07Debian 3.0Syllable 0.4.061
2002–08Windows 2000 Service Pack 3Mac OS X Jaguar62 (v10.2)OS/400 V5R2
2002–09Windows XP Service Pack 1NetBSD 1.6OS2000
2002–10AIX 5.2
2002–11OpenBSD 3.2MorphOS 1.0
2002–12MorphOS 1.1
2003–01FreeBSD 5.0Solaris 9 (x86) JNode63 – JavaOS successor
2003–02MorphOS 1.2ReactOS 0.1.0
2003–03Windows XP 64-bit Edition 200364MorphOS 1.3
2003–04Windows Server 2003eComStation 1.1
2003–05OpenBSD 3.3Red Hat Enterprise Linux 2.1 ES
2003–06Windows 2000 Service Pack 4Windows Mobile 2003OpenVMS 8.0
2003–07
2003–08Novell NetWare 6.5MorphOS 1.4
2003–09HP-UX 11i v2
2003–10Mac OS X Panther (v10.3)Red Hat Enterprise Linux 3SUSE Linux 9.0
2003–11OpenBSD 3.4Fedora Core 1
2003–12Linux 2.6.065XTS-400
2004–01Linux 2.6.1ReactOS 0.2.0
2004–02Linux 2.6.2, 2.6.3
2004–03Linux 2.6.4ReactOS 0.2.1
2004–04Linux 2.6.5ReactOS 0.2.2
2004–05OpenBSD 3.5Linux 2.6.6Fedora Core 2
2004–06i5/OS V5R3ReactOS 0.2.3
2004–07DragonFly BSD 1.0
2004–08Windows CE 5.xWindows XP Service Pack 2Linux 2.6.8AIX 5.3eComStation 1.2
2004–09ReactOS 0.2.4
2004–10Linux 2.6.9Ubuntu 4.10
2004–11OpenBSD 3.6Fedora Core 3
2004–12NetBSD 2.0Linux 2.6.10
2005–01Solaris 10 ReactOS 0.2.5
2005–02Red Hat Enterprise Linux 4OpenVMS 8.2z/VSE
2005–03Windows Server 2003 Service Pack 1Windows XP Professional x64 EditionLinux 2.6.11Novell Open Enterprise ServerMorphOS 1.4.4
2005–04Mac OS X Tiger (v10.4)DragonFly BSD 1.2Ubuntu 5.04ReactOS 0.2.6MorphOS 1.4.5
2005–05Windows Mobile 5.0OpenBSD 3.7
2005–06Linux 2.6.12Fedora Core 4Debian 3.1
2005–07
2005–08Linux 2.6.13ReactOS 0.2.7MorphOS 1.4.5 Classic
2005–09
2005–10Linux 2.6.14Ubuntu 5.10SUSE Linux 10.0ReactOS 0.2.8
2005–11FreeBSD 6.0OpenBSD 3.8
2005–12NetBSD 3.0ReactOS 0.2.9
2006–01DragonFly BSD 1.4Linux 2.6.15i5/OS V5R4Solaris 10 1/06
2006–02
2006–03Windows Server 2003 R2Linux 2.6.16Fedora Core 5
2006–04
2006–05OpenBSD 3.9SymbOSMINIX 3.1.2
2006–06Linux 2.6.17Ubuntu 6.06 (LTS)Solaris 10 6/06
2006–07DragonFly BSD 1.6
2006–08BS2000/OSD v7.066ReactOS 0.3.0
2006–09Windows CE 6.0Linux 2.6.18FreeDOS 1.0OpenVMS 8.3
2006–10Fedora Core 6Ubuntu 6.10Slackware 11.0
2006–11OpenBSD 4.0Linux 2.6.19AmigaOS 4.0Solaris 10 11/06
2006–12
2007–01Windows VistaDragonFly BSD 1.8Bharat Operating System Solutions
2007–02Windows Mobile 6.0Linux 2.6.20Inferno Fourth Edition
2007–03Windows Server 2003 Service Pack 2Red Hat Enterprise Linux 5ReactOS 0.3.1
2007–04Linux 2.6.21Ubuntu 7.04Debian 4.0
2007–05iPhone OS 1OpenBSD 4.1Fedora Linux 7
2007–06
2007–07Linux 2.6.22Slackware 12.0
2007–08DragonFly BSD 1.10Solaris 10 8/07
2007–09iPhone OS 1.1HP-UX 11i v3 ReactOS 0.3.3
2007–10Mac OS X Leopard (v10.5)Linux 2.6.23Ubuntu 7.10OpenVMS 8.3-1H1
2007–11Windows Home ServerOpenBSD 4.2Fedora Linux 8gOSAIX 6.1,
2007–12NetBSD 4.0
2008–01Linux 2.6.24ReactOS 0.3.4
2008–02Windows Vista Service Pack 1Windows Server 2008DragonFly BSD 1.12FreeBSD 7.0
2008–03IBM i 6.1Singularity 1.1
2008–04Windows Mobile 6.1Windows XP Service Pack 3Linux 2.6.25Ubuntu 8.04 (LTS)
2008–05OpenBSD 4.3Fedora Linux 9Slackware 12.1Solaris 10 5/08OpenSolaris 2008.05BS2000/OSD v8.0A
2008–06SUSE Linux 11.0MorphOS 2.0ReactOS 0.3.5
2008–07iPhone OS 2DragonFly BSD 2.0Linux 2.6.26
2008–08STOP 6.5ReactOS 0.3.6
2008–09iPhone OS 2.1AmigaOS 4.1z/OS V1R10MorphOS 2.1
2008–10Linux 2.6.27Ubuntu 8.10Android 1.0Solaris 10 10/08OKL4 3.0
2008–11iPhone OS 2.2OpenBSD 4.4Fedora Linux 10Singularity 2.0ReactOS 0.3.7Genode 8.1167
2008–12Linux 2.6.28Slackware 12.2MorphOS 2.2OpenSolaris 2008.11
2009–01
2009–02DragonFly BSD 2.2Debian 5.0Android 1.1ReactOS 0.3.8
2009–03Linux 2.6.29
2009–04NetBSD 5.0Ubuntu 9.04Android 1.5ReactOS 0.3.9
2009–05Windows Mobile 6.5Windows Vista Service Pack 2OpenBSD 4.5Solaris 10 5/09
2009–06iPhone OS 3Linux 2.6.30Fedora Linux 11 Palm webOS 1AmigaOS 4.1OpenSolaris 2009.06
2009–07ReactOS 0.3.10
2009–08Mac OS X Snow Leopard (v10.6)Slackware 13.0MorphOS 2.3
2009–09iPhone OS 3.1DragonFly BSD 2.4Linux 2.6.31Android 1.6
2009–10Windows 7Windows Server 2008 R2OpenBSD 4.6Ubuntu 9.10Android 2.0Solaris 10 10/09MorphOS 2.4
2009–11FreeBSD 8.0Fedora Linux 12openSUSE 11.2
2009–12Linux 2.6.32ReactOS 0.3.11

2010s

Year–monthWindowsAppleBSDLinuxOthers
2010–01Android 2.1AmigaOS 4.1 Upd. 1
2010–02Linux 2.6.33
2010–03
2010–04iPhone OS 3.2DragonFly BSD 2.6Ubuntu 10.04 (LTS)AmigaOS 4.1 Upd. 2IBM i 7.1
2010–05OpenBSD 4.7Linux 2.6.34Fedora Linux 13Android 2.2eComStation 2.0
2010–06iOS 4MorphOS 2.5OpenVMS 8.4
2010–07openSUSE 11.3
2010–08Linux 2.6.35
2010–09iOS 4.1Solaris 10 9/10AIX 7.1
2010–10Windows Phone 7DragonFly BSD 2.8Linux 2.6.36Fedora Linux 14Ubuntu 10.10MorphOS 2.6ReactOS 0.3.12
2010–11iOS 4.2NetBSD 5.1OpenBSD 4.8Red Hat Enterprise Linux 6
2010–12Android 2.3MorphOS 2.7
2011–01Linux 2.6.37
2011–02Windows 7 Service Pack 1Debian 6.0Android 3.0
2011–03Windows CE 7.0iOS 4.3Linux 2.6.38openSUSE 11.4ReactOS 0.3.13
2011–04Windows Home Server 2011DragonFly BSD 2.10Ubuntu 11.04Slackware 13.37
2011–05OpenBSD 4.9Linux 2.6.39Fedora Linux 15Android 3.1AmigaOS 4.1 Upd. 1 (for Classic)eComStation 2.1
2011–06iOS 5ChromeOS (first shipped)9front
2011–07Mac OS X Lion (v10.7)Linux 3.0Android 3.2HP webOS 3AmigaOS 4.1 Upd. 3
2011–08
2011–09Windows Phone 7.5
2011–10Linux 3.1Ubuntu 11.10Android 4.0
2011–11OpenBSD 5.0Fedora Linux 16openSUSE 12.1Solaris 11 11/11
2011–12AmigaOS 4.1 Upd. 4
2012–01FreeBSD 9.0Linux 3.2FreeDOS 1.1
2012–02DragonFly BSD 3.0ReactOS 0.3.14Minix 3.2
2012–03iOS 5.1Linux 3.3Android 4.0.4
2012–04Ubuntu 12.04 (LTS)
2012–05OpenBSD 5.1Linux 3.4Fedora Linux 17DexOS
2012–06BS2000/OSD 9.0MorphOS 3.0
2012–07OS X Mountain Lion (v10.8)Linux 3.5Android 4.1openSUSE 12.2MorphOS 3.1AmigaOS 4.1 Upd. 5
2012–08
2012–09Windows Server 2012iOS 6Linux 3.6Slackware 14.0Qubes OS
2012–10Windows 8Windows Phone 8NetBSD 6.0OpenBSD 5.2Ubuntu 12.10Solaris 11.1
2012–11DragonFly BSD 3.2Android 4.2Haiku R1 Alpha 4
2012–12FreeBSD 9.1
2013–01iOS 6.1Fedora Linux 18BlackBerry 10Solaris 10 1/13
2013–02Windows Phone 7.8
2013–03openSUSE 12.3
2013–04DragonFly BSD 3.4Linux 3.9Ubuntu 13.04
2013–05NetBSD 6.1OpenBSD 5.3Debian 7.0ReactOS 0.3.15MorphOS 3.2
2013–06Windows CE 8.0 (2013)Linux 3.10
2013–07Fedora Linux 19Android 4.3
2013–08
2013–09iOS 7FreeBSD 9.2Linux 3.11MorphOS 3.3z/OS Version 2.1
2013–10Windows 8.1Windows Server 2012 R2OS X Mavericks (v10.9)Ubuntu 13.10
2013–11DragonFly BSD 3.6OpenBSD 5.4Slackware 14.1openSUSE 13.1Android 4.4Linux 3.12
2013–12Fedora Linux 20MorphOS 3.4Muen68 separation kernel
2014–01FreeBSD 10.0Linux 3.13
2014–02ReactOS 0.3.16MorphOS 3.5
2014–03iOS 7.1Linux 3.14
2014–04Windows Phone 8.1Ubuntu 14.04 (LTS)Solaris 11.2
2014–05OpenBSD 5.5
2014–06DragonFly BSD 3.8Linux 3.15Red Hat Enterprise Linux 7MorphOS 3.6
2014–07
2014–08Linux 3.16MorphOS 3.7
2014–09iOS 8Minix 3.3
2014–10OS X Yosemite (v10.10)iOS 8.1Ubuntu 14.10Linux 3.17
2014–11OpenBSD 5.6FreeBSD 10.1DragonFly BSD 4.0openSUSE 13.2Android 5.0IBM i 7.2ReactOS 0.3.17
2014–12Linux 3.18Fedora Linux 21
2015–01
2015–02Linux 3.19
2015–03iOS 8.2
2015–04iOS 8.3watchOS 1Linux 4.0Debian 8.0Ubuntu 15.04Redox OS
2015–05Fedora Linux 22BS2000/OSD 10.0
2015–06iOS 8.4Linux 4.1MorphOS 3.9
2015–07Windows 10 (1507)
2015–08FreeBSD 10.2Linux 4.2
2015–09OS X El Capitan (v10.11)iOS 9watchOS 2NetBSD 7.0z/OS Version 2.269
2015–10iOS 9.1tvOS9Android 6.0Ubuntu 15.10AIX 7.270Solaris 11.371
2015–11Windows 10 November Update (1511)Windows 10 Mobile (1511)tvOS9.1Linux 4.3Fedora Linux 23openSUSE Leap 42.1
2015–12iOS 9.2watchOS 2.1tvOS9.2
2016–01Linux 4.4Minix 3.4
2016–02ReactOS 0.4
2016–03iOS 9.3watchOS 2.2tvOS9.3OpenBSD 5.9FreeBSD 10.3Linux 4.5
2016–04Ubuntu 16.04IBM i 7.3ReactOS 0.4.1
2016–05Linux 4.6
2016–06Slackware 14.2Fedora Linux 24Linux Mint 18
2016–07Linux 4.7
2016–08Windows 10 Anniversary Update (1607)Windows 10 Mobile Anniversary Update (1607)DragonFly BSD 4.6Android 7.0ReactOS 0.4.2
2016–09Windows Server 2016 (1607)macOS Sierra (v10.12)iOS 10watchOS 3tvOS10OpenBSD 6.0Linux 4.8
2016–10iOS 10.1watchOS 3.1NetBSD 7.0.2FreeBSD 11.0Android 7.1Ubuntu 16.10
2016–11Oracle Linux 7.3Fedora Linux 25openSUSE Leap 42.2ReactOS 0.4.3
2016–12iOS 10.2tvOS10.1Linux 4.9Linux Mint 18.1FreeDOS 1.2
2017–01
2017–02Linux 4.10ReactOS 0.4.4
2017–03iOS 10.3watchOS 3.2tvOS10.2DragonFly BSD 4.8NetBSD 7.1
2017–04Windows 10 Creators Update (1703)Windows 10 Mobile Creators Update (1703)OpenBSD 6.1Linux 4.11Ubuntu 17.04
2017–05ReactOS 0.4.5ArcaOS 5.0.0
2017–06Debian 9.0Fedora Linux 26
2017–07Linux 4.12openSUSE Leap 42.3BS2000/OSD 11.0ArcaOS 5.0.1
2017–08Android 8.0
2017–09macOS High Sierra (v10.13)iOS 11watchOS 4tvOS11Linux 4.13ReactOS 0.4.6
2017–10Windows 10 Fall Creators Update (1709)Windows 10 Mobile Fall Creators Update (1709)Windows Server 2016 Fall Creators Update (1709)iOS 11.1watchOS 4.1tvOS11.1OpenBSD 6.2DragonFly BSD 5.0Ubuntu 17.10
2017–11Linux 4.14Fedora Linux 27BareMetal 1.0.0
2017–12iOS 11.2watchOS 4.2tvOS11.2Android 8.1ReactOS 0.4.7
2018–01Linux 4.15
2018–02ArcaOS 5.0.2
2018–03iOS 11.3watchOS 4.3tvOS11.3NetBSD 7.1.2Genode Sculpt EA
2018–04Windows 10 April 2018 Update (1803)OpenBSD 6.3DragonFly BSD 5.2Linux 4.16Ubuntu 18.04 (LTS)ReactOS 0.4.8
2018–05iOS 11.4tvOS11.4Fedora Linux 28openSUSE Leap 15.0
2018–06Linux 4.17Genode Sculpt TC
2018–07NetBSD 8.0SUSE Linux Enterprise 15ReactOS 0.4.9
2018–08NetBSD 7.2Linux 4.18Android 9.0ArcaOS 5.0.3Solaris 11.4
2018–09macOS Mojave (v10.14)iOS 12watchOS 5tvOS12Genode Sculpt VC72
2018–10Windows 10 October 2018 Update (1809)Windows Server 2019 (1809)iOS 12.1watchOS 5.1tvOS12.1OpenBSD 6.4Linux 4.19Ubuntu 18.10Fedora Linux 29SerenityOS
2018–11ReactOS 0.4.10
2018–12DragonFly BSD 5.4FreeBSD 12.0Linux 4.20
2019–01
2019–02
2019–03iOS 12.2watchOS 5.2tvOS12.2Linux 5.0ReactOS 0.4.11
2019–04Ubuntu 19.04Fedora Linux 30
2019–05Windows 10 May 2019 Update (1903)iOS 12.3tvOS12.3OpenBSD 6.5

NetBSD 8.1

Linux 5.1Red Hat Enterprise Linux 8openSUSE Leap 15.1
2019–06DragonFly BSD 5.6SUSE Linux Enterprise 15 SP1IBM i 7.4
2019–07iOS 12.4watchOS 5.3tvOS12.4Debian 10.0Linux 5.2ArcaOS 5.0.4
2019–08
2019–09iOS 13iOS 13.1iPadOS 13.1watchOS 6tvOS13Linux 5.3Android 10.0ReactOS 0.4.12
2019–10iOS 13.2iPadOS 13.2watchOS 6.1macOS Catalina (v10.15)OpenBSD 6.6Ubuntu 19.10Fedora Linux 31
2019–11Windows 10 November 2019 Update (1909)FreeBSD 12.1Linux 5.4
2019–12iOS 13.3iPadOS 13.3

2020s

Further information: Timeline of free and open-source software

Year–monthWindowsAppleBSDLinuxOthers
2020–01Linux 5.5Rrrrrt
2020–02NetBSD 9.0
2020–03iOS 13.4iPadOS 13.4watchOS 6.2tvOS13.4DragonFly BSD 5.8Linux 5.6
2020–04Ubuntu 20.04Fedora Linux 32ReactOS 0.4.13
2020–05Windows 10 May 2020 Update (2004)iOS 13.5iPadOS 13.5OpenBSD 6.7OpenVMS 9.0
2020–06Linux 5.7ArcaOS 5.0.5Haiku R1/beta2
2020–07iOS 13.6iPadOS 13.6
2020–08Linux 5.8ArcaOS 5.0.6
2020–09iOS 13.7iPadOS 13.7iOS 14iPadOS 14.0watchOS 7.0tvOS14.0Android 11
2020–10Windows 10 October 2020 Update (20H2)iOS 14.1iPadOS 14.1NetBSD 9.1OpenBSD 6.8FreeBSD 12.2Linux 5.9Fedora Linux 33Ubuntu 20.10
2020–11macOS Big Sur (v11.0)iOS 14.2iPadOS 14.2watchOS 7.1tvOS14.2
2020–12macOS Big Sur (v11.1)iOS 12.5iOS 14.3iPadOS 14.3watchOS 6.3watchOS 7.2tvOS14.3Linux 5.10
2021–01iOS 14.4iPadOS 14.4watchOS 7.3tvOS14.4
2021–02macOS Big Sur (v11.2)
2021–03
2021–04macOS Big Sur (v11.3)iOS 14.5iPadOS 14.5watchOS 7.4tvOS14.5FreeBSD 13.0Fedora Linux 34
2021-05Windows 10 May 2021 Update (21H1)macOS Big Sur (v11.4)iOS 14.6iPadOS 14.6watchOS 7.5tvOS14.6OpenBSD 6.9DragonFly BSD 6.0NetBSD 9.2Linux 5.12Ubuntu 21.04
2021-06Rocky Linux 8Linux 5.13
2021-07macOS Big Sur (v11.5)iOS 14.7iPadOS 14.7watchOS 7.6tvOS14.7Haiku R1/beta3
2021-08Windows Server 2022Linux 5.14Debian 11.0
2021-09macOS Big Sur (v11.6)iOS 14.8iPadOS 14.8iOS 15iPadOS 15.0watchOS 8.0tvOS15.0
2021-10Windows 11macOS Monterey (v12.0)iOS 15.1iPadOS 15.1watchOS 8.1tvOS15.1OpenBSD 7.0Android 12Ubuntu 21.10
2021-11Windows 10 November 2021 Update (21H2)
2021-12macOS Monterey (v12.2)iOS 15.2iPadOS 15.2watchOS 8.3tvOS15.2ArcaOS 5.0.7ReactOS 0.4.14
2022-01iOS 15.3iPadOS 15.3watchOS 8.4tvOS15.3
2022-02Slackware 15.0
2022-03macOS Monterey (v12.3)iOS 15.4iPadOS 15.4watchOS 8.5tvOS15.4Android 12L
2022-04OpenBSD 7.1Ubuntu 22.04
2022-05macOS Monterey (v12.4)iOS 15.5iPadOS 15.5watchOS 8.6tvOS15.5IBM i 7.5
2022-06
2022-07macOS Monterey (v12.5)iOS 15.6iPadOS 15.6watchOS 8.7tvOS15.6
2022-08Android 13
2022-09Windows 11 2022 Update (22H2)macOS Big Sur (v11.7)macOS Monterey (v12.6)iOS 15.7iPadOS 15.7iOS 16watchOS 9.0tvOS16.0
2022-10macOS Ventura (13.0)iOS 16.1iPadOS 16.0OpenBSD 7.2Ubuntu 22.10
2022-11macOS Ventura (13.0.1)iOS 16.1.1
2022-12iOS 16.2
2023-01
2023-02
2023-03
2023-04
2023-05
2023-06
2023-07
2023-08Linux 6.5ArcaOS 5.1.0
2023-09macOS Sonoma (14.0)iOS 17.0iPadOS 17.0
2023-10Android 14
2023-11
2023-12
2024-01
2024-02
2024-03
2024-04
2024-05
2024-06
2024-07
2024-08
2024-09macOS Sequoia

(15.0)

iOS 18.0

iPadOS 18

watchOS 11

tvOS 18

2024-10Windows 11 2024 Update (24H2)iOS 18.1Android 15
2024-11
2024-12

See also

References

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  2. "Early Operating Systems". Archived from the original on April 10, 2015. Retrieved March 15, 2015. https://web.archive.org/web/20150410053229/http://www.csee.wvu.edu/~jdm/classes/cs258/OScat/early.html ↩

  3. "LCS/AI Lab Timeline". Archived from the original on September 23, 2015. Retrieved March 15, 2015. https://web.archive.org/web/20150923211552/http://www.csail.mit.edu/timeline/timeline.php/timeline.php?query=event&id=3 ↩

  4. Ross, Douglas (January 9, 1986). "A personal view of the personal work station: Some firsts in the Fifties". Proceedings of the ACM Conference on the history of personal workstations. Association for Computing Machinery. pp. 19–48. doi:10.1145/12178.12180. ISBN 0-89791-176-8. 0-89791-176-8 ↩

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  14. "Datapro – NCR Century Series (70C-656-01a Computers)" (PDF). bitsavers.org. Retrieved June 24, 2024. http://www.bitsavers.org/pdf/ncr/NCR_DataPro_Reports/70C-656-01_7601_NCR_Century_Series.pdf ↩

  15. "Datapro – NCR Century Series (70C-656-01a Computers)" (PDF). bitsavers.org. Retrieved June 24, 2024. http://www.bitsavers.org/pdf/ncr/NCR_DataPro_Reports/70C-656-01_7601_NCR_Century_Series.pdf ↩

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