This article presents a timeline of events in the history of computer operating systems from 1960 to 2007. For a narrative explaining the overall developments, see the History of operating systems. For a timeline of Linux distributions, follow this link For the novel by Michael Crichton, see Timeline (novel). ... // An operating system (OS) is the software that manages the sharing of the resources of a computer. ... Year 1960 (MCMLX) was a leap year starting on Friday (link will display full calendar) of the Gregorian calendar. ... Year 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the AD/CE era in the 21st century. ... The history of computer operating systems recapitulates to a degree, the recent history of computing. ...

1950s

• 1954
  • MIT's operating system made for UNIVAC 1103^[1]
• 1955
  • General Motors Operating System made for IBM 701^[2]
• 1956
  • GM-NAA I/O for IBM 704, based on General Motors Operating System
• 1959
  • SHARE Operating System, based on GM-NAA I/O

The 1950s decade refers to the years 1950 to 1959 inclusive. ... Year 1954 (MCMLIV) was a common year (link will display full calendar) of the Gregorian calendar. ... “MIT” redirects here. ... The UNIVAC 1103 or ERA 1103, a successor to the UNIVAC 1101, was a computer system designed by Engineering Research Associates and built by the Remington Rand corporation in October, 1953. ... Year 1955 (MCMLV) was a common year starting on Saturday (link displays the 1955 Gregorian calendar). ... The IBM 701, known as the Defense Calculator while in development, was announced to the public on April 29, 1952, and was IBM’s first commercial scientific computer. ... Year 1956 (MCMLVI) was a leap year starting on Sunday (link will display full calendar) of the Gregorian calendar. ... The GM-NAA I/O input/output system of General Motors and North American Aviation was the first operating system in the history of computer science. ... An IBM 704 mainframe (image courtesy of LLNL) The IBM 704,[1] the first mass-produced computer with floating point arithmetic hardware, was introduced by IBM in April, 1954. ... Year 1959 (MCMLIX) was a common year starting on Thursday (link will display full calendar) of the Gregorian calendar. ... The SHARE Operating System, also known as SOS, was created in 1959 as an improvement on the General Motors GM-NAA I/O operating system, the first operating system, by the SHARE user group. ...

1960s

• 1960
  • IBSYS
• 1961
  • CTSS
  • MCP (Burroughs Large Systems)
• 1962
  • GCOS
• 1964
  • EXEC 8
  • OS/360 (Announced)
  • TOPS-10
• 1965
  • Multics (Announced)
  • OS/360 (Shipped)
  • Tape Operating System (TOS)
• 1966
  • DOS/360 (IBM)
  • MS/8
• 1967
  • ACP (IBM)
  • CP/CMS
  • ITS
  • WAITS
• 1968
  • TSS-8 (PDP-8)
• 1969
  • TENEX
  • Unix

The 1960s decade refers to the years from 1960 to 1969, inclusive. ... Year 1960 (MCMLX) was a leap year starting on Friday (link will display full calendar) of the Gregorian calendar. ... IBSYS was the tape based operating system that IBM supplied with its IBM 7090 and IBM 7094 computers. ... Year 1961 (MCMLXI) was a common year starting on Sunday (link will display full calendar) of the Gregorian calendar. ... CTSS, which stood for the Compatible Time-Sharing System, was one of the first time-sharing operating systems; it was developed at MITs Computation Center. ... To meet Wikipedias quality standards, this article may require cleanup. ... Year 1962 (MCMLXII) was a common year starting on Monday (the link is to a full 1962 calendar) of the Gregorian calendar. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... Also Nintendo emulator: 1964 (emulator). ... EXEC 8 (sometimes referred to as EXEC VIII) was UNIVACs operating system developed for the UNIVAC 1108 in 1964. ... OS/360 was a batch processing operating system developed by IBM for their then-new System/360 mainframe computer, announced in 1964. ... The TOPS-10 System was a computer operating system from Digital Equipment Corporation (DEC) for the PDP-10 released in 1964 and later on for the DEC-System10. ... Year 1965 (MCMLXV) was a common year starting on Friday (link will display full calendar) of the 1965 Gregorian calendar. ... Multics (Multiplexed Information and Computing Service) was an extraordinarily influential early time-sharing operating system. ... OS/360 was a batch processing operating system developed by IBM for their then-new System/360 mainframe computer, announced in 1964. ... The Tape Operating System (TOS) was an IBM operating system for the System 360, used in the early days around 1965 to support the IBM 360 model 30 and similar platforms. ... Year 1966 (MCMLXVI) was a common year starting on Saturday (link will display full calendar) of the 1966 Gregorian calendar. ... DOS/360 was the operating system announced by IBM at the low end for the System/360 in 1964 and delivered in 1965 or 1966. ... International Business Machines Corporation (IBM, or colloquially, Big Blue) (NYSE: IBM) (incorporated June 15, 1911, in operation since 1888) is headquartered in Armonk, New York, USA. The company manufactures and sells computer hardware, software, and services. ... MS/8 or The RL Monitor System was an operating system developed for the PDP-8 in 1966 by Richard F. Lary. ... Year 1967 (MCMLXVII) was a common year starting on Sunday (link will display full calendar) of the 1967 Gregorian calendar. ... Airlines Control Program, or ACP, was the operating system developed by IBM in 1969 for processing airline reservations and related data. ... International Business Machines Corporation (IBM, or colloquially, Big Blue) (NYSE: IBM) (incorporated June 15, 1911, in operation since 1888) is headquartered in Armonk, New York, USA. The company manufactures and sells computer hardware, software, and services. ... CP/CMS was a remarkable time-sharing operating system of the late 60s and early 70s, known for its excellent performance and advanced features. ... ITS, the Incompatible Timesharing System, was an early, revolutionary, and influential MIT time-sharing operating system; it was developed principally by the Artificial Intelligence Laboratory at MIT, with some help from Project MAC. ITS development was initiated in the late 1960s by those (the majority of the MIT AI Lab... WAITS was a heavily modified variant of the Digital Equipment Corporations TOPS-10 operating system for the PDP-10 mainframe computer, used at the Stanford Artificial Intelligence Laboratory (SAIL) up until 1990; the mainframe computer it ran on also went by the name of SAIL. There was never an... Year 1968 (MCMLXVIII) was a leap year starting on Monday (link will display full calendar) of the Gregorian calendar. ... TSS-8 was a little Time-sharing Operating System co-written by Don Witcraft and John Everett at Digital Equipment Corporation in 1967. ... Also: 1969 (Stargate SG-1) episode. ... The TOPS-20 operating system by DEC was the second proprietary OS for the PDP-10. ... Filiation of Unix and Unix-like systems Unix (officially trademarked as UNIX®) is a computer operating system originally developed in 1969 by a group of AT&T employees at Bell Labs including Ken Thompson, Dennis Ritchie and Douglas McIlroy. ...

1970s

• 1970
  • DOS-11 (PDP-11)
  • RSTS-11 (PDP-11)
• 1971
  • OS/8
• 1972
  • MFT (operating system)
  • MVT
  • RDOS
  • SVS
  • VM/CMS
• 1973
  • Alto OS
  • RSX-11D
  • RT-11
  • VME
• 1974
  • MVS (MVS/XA)
• 1975
  • BS2000
• 1976
  • CP/M
  • TOPS-20
• 1978
  • Apple DOS 3.1 (First Apple OS)
  • TripOS
  • VMS
  • Lisp Machine (CADR)
• 1979
  • POS
  • NLTSS

The 1970s decade refers to the years from 1970 to 1979, also called The Seventies. ... Year 1970 (MCMLXX) was a common year starting on Thursday (link shows full calendar) of the Gregorian calendar. ... BATCH-11/DOS-11, also known simply as DOS-11, was released in 1970 and was the first operating system to run on the Digital PDP-11 minicomputer. ... RSTS/E (an acronym for Resource Sharing Time Sharing Extended) was a multi-user time-shared operating system developed by Digital Equipment Corporation (DEC) for the PDP-11 series of 16-bit minicomputers, and used primarily during the 1970s and 1980s, although some installations were still being upgraded well into... Year 1971 (MCMLXXI) was a common year starting on Friday (link will display full calendar) of the 1971 Gregorian calendar. ... OS/8 was the primary operating system used on the Digital PDP-8 minicomputer. ... Year 1972 (MCMLXXII) was a leap year starting on Saturday (link will display full calendar) of the Gregorian calendar. ... MFT was one of the variants of the OS/360 operating system for the IBM System/360. ... MVT is an acronym for Multiprogramming with a Variable number of Tasks. ... RDOS, or the Real-time Disk Operating System, was a real-time operating system released in 1972 for the popular Data General Nova and Data General Eclipse minicomputers. ... Single Virtual Storage - precursor of MVS which had a very short life Sudbury Valley School - democratic school This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. ... VM/CMS (Virtual Machine/Conversational Monitor System, originally called CP/CMS when it first appeared) is a bundled pair of operating systems used on IBM System/360, System/370, System/390, zSeries, and System z9 mainframes (and compatible systems). ... For the song by James Blunt, see 1973 (song). ... A Xerox Alto Computer System The Xerox Alto, developed at Xerox PARC in 1973, was the first personal computer and the first computer to use the desktop metaphor and graphical user interface (GUI). ... RSX-11: A family of real-time operating systems mainly for PDP-11 computers created by Digital Equipment Corporation (DEC), common in the late 1970s and early 1980s, designed for and much used in process control, but also popular for program development. ... RT-11 (for Run Time or Real Time) was a real-time operating system for the DEC PDP-11. ... VME (Virtual Machine Environment) is a mainframe operating system developed by the UK company International Computers Ltd (ICL). ... Year 1974 (MCMLXXIV) was a common year starting on Tuesday (link will display full calendar) of the 1974 Gregorian calendar. ... MVS (Multiple Virtual Storage) was the most commonly used operating system on the System/370 and System/390 IBM mainframe computers. ... Year 1975 (MCMLXXV) was a common year starting on Wednesday (link will display full calendar) of the Gregorian calendar. ... BS2000 is an operating system from Siemens Nixdorf Informationssysteme for mainframes. ... Year 1976 Pick up sticks(MCMLXXVI) was a leap year starting on Thursday (link will display full calendar) of the Gregorian calendar. ... CP/M is an operating system originally created for Intel 8080/85 based microcomputers by Gary Kildall of Digital Research, Inc. ... The TOPS-20 operating system by DEC was the second proprietary OS for the PDP-10. ... Year 1978 (MCMLXXVIII) was a common year starting on Sunday (link displays the 1978 Gregorian calendar). ... Beneath Apple DOS was a popular guide to Apple DOS. Apple DOS refers to operating systems for the Apple II series of microcomputers from 1978 through early 1983. ... The University of Cambridge, England, divides the different kinds of honours bachelors degree by Tripos, a word which has an obscure etymology, but which may be traced to the three-legged stool candidates once used to sit on when taking oral examinations. ... OpenVMS V7. ... The original Lisp machine built by Greenblatt and Knight Lisp machines were general-purpose computers designed (usually through hardware support) to efficiently run Lisp as their main software language. ... Also: 1979 by Smashing Pumpkins. ... PERQ, often referred to as the Three Rivers PERQ, was an influential computer workstation first released in 1979. ... NLTSS was an abbreviation for the Network Livermore Timesharing System, also sometimes known as the New Livermore Time Sharing System. ...

1980s

• 1980
  • OS-9
  • 86-DOS
  • SOS
  • Pilot (operating system)
  • Xenix
• 1981
  • MS-DOS
• 1982
  • Commodore DOS
  • SunOS (1.0)
  • Ultrix
• 1983
  • Lisa Office System 7/7
  • Coherent
  • Novell NetWare
  • ProDOS
• 1984
  • Macintosh OS (System 1.0)
  • MSX-DOS
  • Sinclair QDOS
  • QNX
  • UniCOS
• 1985
  • AmigaOS
  • Atari TOS
  • MIPS OS
  • Oberon operating system
  • Microsoft Windows 1.0 (First Windows)
• 1986
  • AIX
  • GS-OS
  • HP-UX
• 1987
  • Arthur
  • IRIX (3.0 is first SGI version)
  • Minix
  • OS/2 (1.0)
  • Microsoft Windows 2.0
• 1988
  • A/UX (Apple Computer)
  • LynxOS
  • Macintosh OS (System 6)
  • MVS/ESA
  • OS/400
• 1989
  • NeXTSTEP (1.0)
  • RISC OS
  • SCO Unix (Release 3)

The 1980s refers to the years from 1980 to 1989. ... Year 1980 (MCMLXXX) was a leap year starting on Tuesday (link displays the 1980 Gregorian calendar). ... For Mac OS 9, see Mac OS 9. ... 86-DOS was an operating system developed and marketed by Seattle Computer Products for its Intel 8086-based computer kit. ... SOS, which stands for the Sophisticated Operating System, was the computer operating system released in 1980 that was used by the ill-fated Apple III computer. ... The Star workstation, officially known as the 8010 Star Information System, was introduced by Xerox Corporation in 1981. ... Xenix was a version of the Unix operating system, licensed by Microsoft from AT&T in the late 1970s. ... Year 1981 (MCMLXXXI) was a common year starting on Thursday (link displays the 1981 Gregorian calendar). ... Microsofts disk operating system, MS-DOS, was Microsofts implementation of DOS, which was the first popular operating system for the IBM PC, and until recently, was widely used on the PC compatible platform. ... Year 1982 (MCMLXXXII) was a common year starting on Friday (link displays the 1982 Gregorian calendar). ... Commodore DOS, aka CBM DOS, was the disk operating system used with Commodores 8-bit computers. ... SunOS was the version of the UNIX operating system developed by Sun Microsystems for their workstations and server systems until the early 1990s. ... Ultrix (officially all-caps ULTRIX) was the brand name of Digital Equipment Corporations (DEC) native Unix systems. ... Year 1983 (MCMLXXXIII) was a common year starting on Saturday (link displays the 1983 Gregorian calendar). ... The Apple Lisa was a revolutionary personal computer designed at Apple Computer during the early 1980s. ... The Coherent operating system was introduced in 1983 by the now-defunct Mark Williams Company as one of the first Unix-like systems for IBM PC-compatible computers. ... NetWare is a network operating system developed by Novell, Inc. ... For Australian-based Objectivist Prodos Marinakis and the prodos institute, see here. ... This article is about the year. ... Apple marketed its operating system software as Mac OS, beginning in 1997. ... MSX official logo Sony MSX 1, Model HitBit-10-P MSX is the name of a standard for home computers in the 1980s. ... Sinclair QDOS was the multitasking operating system found on the Sinclair QL and its clones. ... QNX (pronounced either Q-N-X or Q-nix) is a commercial POSIX-compliant Unix-like real-time operating system, aimed primarily at the embedded systems market. ... UNICOS is the Unix successor of the Cray Operating System (COS) for Cray supercomputers. ... This article is about the year. ... AmigaOS is the default native operating system of the Amiga personal computer. ... Atari ST GEM desktop The Operating System (TOS) was the operating system of the Atari ST range of computers. ... MIPS OS is the operating system first used with the MIPS microprocessor that debuted in 1985. ... Tiled window arrangement of Oberon Oberon is an operating system, originally developed as part of the NS32032-based Ceres workstation project; it is written entirely in the Oberon programming language. ... Windows 1. ... Year 1986 (MCMLXXXVI) was a common year starting on Wednesday (link displays 1986 Gregorian calendar). ... AIX (Advanced Interactive eXecutive) is a proprietary operating system developed by IBM based on UNIX System V. Before the product was ever marketed, the acronym AIX originally stood for Advanced IBM UNIX. AIX has pioneered numerous network operating system enhancements, introducing new innovations later adopted by Unix-like operating systems... The Apple IIGS, the fifth model inception of the Apple II, was the most powerful member of the Apple II series of personal computers made by Apple Computer. ... HP-UX (Hewlett Packard UniX) is Hewlett-Packards proprietary implementation of the Unix operating system, based on System V (initially System III). ... Year 1987 (MCMLXXXVII) was a common year starting on Thursday (link displays 1987 Gregorian calendar). ... A screenshot of Arthurs GUI desktop and its bundled accessory applications Arthur is an early GUI operating System (OS) that was used on Acorn ARM-cpu-based computers from about 1987 until the much-superior RISC OS 2 was completed and made available in April 1989. ... IRIX is a computer operating system developed by Silicon Graphics, Inc. ... MINIX is a free/open source, Unix-like operating system (OS) based on a microkernel architecture. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... Windows 2. ... Year 1988 (MCMLXXXVIII) was a leap year starting on Friday (link displays 1988 Gregorian calendar). ... A/UX (from Apple Unix) is Apple Computers implementation of the Unix operating system for some of their Macintosh computers. ... The LynxOS RTOS is a Unix-like real-time operating system from LynuxWorks (formerly Lynx Real-Time Systems). Sometimes known as the Lynx Operating System, LynxOS features POSIX compliance and, more recently, Linux compatibility. ... Apple marketed its operating system software as Mac OS, beginning in 1997. ... This article is about the Macintosh operating system version. ... MVS (Multiple Virtual Storage) was the most commonly used operating system on the System/370 and System/390 IBM mainframe computers. ... OS/400 is an operating system used on IBMs line of AS/400 (now called iSeries) minicomputers. ... Year 1989 (MCMLXXXIX) was a common year starting on Sunday (link displays 1989 Gregorian calendar). ... NEXTSTEP is the original object-oriented, multitasking operating system that NeXT Computer, Inc. ... This article does not cite any references or sources. ... Tarantella, Inc. ...

1990s

• 1990
  • Amiga OS 2.0
  • BeOS (v1)
  • OSF/1
  • Windows 3.0
• 1991
  • Linux (basis of free Unix-like operating system distributions) (distribution timeline)
  • Macintosh OS (System 7)
• 1992
  • 386BSD 0.1
  • Amiga OS 3.0
  • Solaris 2.0 (Successor to SunOS 4.x; based on SVR4 instead of BSD)
  • Windows 3.1
• 1993
  • Plan 9 (First Edition)
  • FreeBSD
  • NetBSD
  • Windows NT 3.1 (First version of NT)
• 1995
  • Digital UNIX (aka Tru64 )
  • OpenBSD
  • OS/390
  • Windows 95
• 1996
  • Mac OS 7.6 (First officially-named Mac OS)
  • Windows NT 4.0
• 1997
  • Inferno
  • Mac OS 8
  • SkyOS
• 1998
  • Solaris 7 (First 64-bit Solaris release. Names from this point drop "2.", otherwise would've been Solaris 2.7)
  • Windows 98
• 1999
  • AROS (Boot for the first time in Stand Alone version)
  • Mac OS 9
  • Windows 98 Second Edition

For the band, see 1990s (band). ... Year 1990 (MCMXC) was a common year starting on Monday (link displays the 1990 Gregorian calendar). ... AmigaOS is the default native operating system of the Amiga and AmigaOne personal computers. ... BeOS is an operating system for personal computers which began development by Be Inc. ... Tru64 UNIX is HPs (formerly Compaq; formerly DEC) 64-bit Unix operating system for the DEC Alpha AXP platform. ... Windows 3. ... Year 1991 (MCMXCI) was a common year starting on Tuesday (link will display the 1991 Gregorian calendar). ... This article is about operating systems that use the Linux kernel. ... Apple marketed its operating system software as Mac OS, beginning in 1997. ... System 7 (codenamed Big Bang) was a version of Mac OS, the operating system of the Apple Macintosh computer. ... Year 1992 (MCMXCII) was a leap year starting on Wednesday (link will display full 1992 Gregorian calendar). ... 386BSD, also known as JOLIX, is a free BSD operating system for the Intel 80386. ... AmigaOS is the default native operating system of the Amiga and AmigaOne personal computers. ... Solaris is a computer operating system developed by Sun Microsystems. ... This article does not cite any references or sources. ... Year 1993 (MCMXCIII) was a common year starting on Friday (link will display full 1993 Gregorian calendar). ... Plan 9 from Bell Labs is a distributed operating system, primarily used as a research vehicle. ... FreeBSD is a Unix-like free operating system descended from AT&T UNIX via the Berkeley Software Distribution (BSD) branch through the 386BSD and 4. ... NetBSD is a freely redistributable, open source version of the Unix-like BSD computer operating system. ... Windows NT 3. ... Year 1995 (MCMXCV) was a common year starting on Sunday (link will display full 1995 Gregorian calendar). ... Tru64 is HPs (formerly Compaq; formerly DEC) 64-bit UNIX for the Alpha AXP platform. ... Tru64 is HPs (formerly Compaq; formerly DEC) 64-bit UNIX for the Alpha AXP platform. ... OpenBSD is a Unix-like computer operating system descended from Berkeley Software Distribution (BSD), a Unix derivative developed at the University of California, Berkeley. ... OS/390 is an IBM operating system for the System/370 and System/390 IBM mainframe computers. ... Windows 95 is a consumer-oriented graphical user interface-based operating system. ... Year 1996 (MCMXCVI) was a leap year starting on Monday (link will display full 1996 Gregorian calendar). ... Apple marketed its operating system software as Mac OS, beginning in 1997. ... Windows NT 4. ... For the band, see 1997 (band). ... Inferno is an operating system for creating and supporting distributed services. ... Mac OS 8 is a series of versions of the Mac OS that supported a transition through major changes in the Macintosh hardware platform. ... SkyOS is an operating system developed by Robert Szeleney. ... Year 1998 (MCMXCVIII) was a common year starting on Thursday (link will display full 1998 Gregorian calendar). ... Solaris is a computer operating system developed by Sun Microsystems. ... In computing, a 64-bit component is one in which data are processed or stored in 64-bit units (words). ... Windows 98 (codenamed Memphis) is a graphical operating system released on June 25, 1998 by Microsoft and the successor to Windows 95. ... This article is about the year. ... What is AROS? AROS (Amiga Research Operating System) is an open source implementation of the AmigaOS 3. ... Sherlock 2 for Mac OS 9 with the new metallic appearance Mac OS 9 is the final major release of Apples Classic Mac OS. Introduced on October 23, 1999, Apple positioned it as The Best Internet Operating System Ever, highlighting Sherlock 2s Internet search capabilities, integration with Apple... Windows 98 (codenamed Memphis) is a graphical operating system released on June 25, 1998 by Microsoft and the successor to Windows 95. ...

2000s

• 2000
  • AtheOS
  • MorphOS
  • Windows 2000
  • Windows Me
• 2001
  • Amiga OS 4.0 (May 2001)
  • Mac OS X v10.0 and v10.1
  • Windows XP
  • z/OS
• 2002
  • Windows XP 64-bit Edition
  • Syllable
  • Mac OS X v10.2
• 2003
  • Windows Server 2003 (March 28, 2003)
  • Mac OS X v10.3
• 2005
  • Mac OS X v10.4
• 2007
  • Windows Vista

The 2000s are the current decade, spanning from 2000 to 2009. ... Year 2000 (MM) was a leap year starting on Saturday (link will display full 2000 Gregorian calendar). ... AtheOS was a free software operating system for x86-based computers. ... MorphOS is a mixed proprietary and open source operating system produced for the Pegasos PowerPC (PPC)-processor-based computer, most models of PPC-accelerated classic Amiga computers, and the EFIKA PPC consumer device. ... Windows 2000 (also referred to as Win2K) is a preemptive, interruptible, graphical and business-oriented operating system that was designed to work with either uniprocessor or symmetric multi-processor 32-bit Intel x86 computers. ... Windows Millennium Edition, or Windows Me (IPA pronunciation: [miː], [ɛm iː]), is a hybrid 16-bit/32-bit graphical operating system released on September 14, 2000 by Microsoft. ... Year 2001 (MMI) was a common year starting on Monday (link displays the 2001 Gregorian calendar). ... AmigaOS is the default native operating system of the Amiga and AmigaOne personal computers. ... Mac OS X version 10. ... Mac OS X version 10. ... Windows XP is a line of operating systems developed by Microsoft for use on general-purpose computer systems, including home and business desktops, notebook computers, and media centers. ... z/OS Welcome Screen seen through a terminal emulator The title of this article begins with a capital letter due to technical limitations. ... Also see: 2002 (number). ... This does not cite any references or sources. ... Syllable is a free and open source operating system for Intel x86 Pentium and compatible processors. ... Mac OS X version 10. ... Year 2003 (MMIII) was a common year starting on Wednesday of the Gregorian calendar. ... Windows Server 2003 is a server operating system produced by Microsoft. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... Year 2005 (MMV) was a common year starting on Saturday (link displays full calendar) of the Gregorian calendar. ... Mac OS X version 10. ... Year 2007 (MMVII) is the current year, a common year starting on Monday of the Gregorian calendar and the AD/CE era in the 21st century. ... Windows Vista is a line of graphical operating systems used on personal computers, including home and business desktops, notebook computers, Tablet PCs, and media centers. ...

External links

• http://www.levenez.com/unix/ -- Timeline of UNIX 1969 and its descendants at present
• Concise Microsoft O.S. Timeline -- A color-coded concise timeline for various Microsoft operating systems (1981 - present)
• Bitsavers, an effort to capture, salvage, and archive historical computer software and manuals from minicomputers and mainframes of the 50s, 60s, 70s, and 80s

Filiation of Unix and Unix-like systems Unix (officially trademarked as UNIX®) is a computer operating system originally developed in 1969 by a group of AT&T employees at Bell Labs including Ken Thompson, Dennis Ritchie and Douglas McIlroy. ... Also: 1969 (Stargate SG-1) episode. ...

References

1. ^ MIT's (the world's?) first Operating System (1954)
2. ^ EARLY OPERATING SYSTEMS