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List of operating systems

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This is a list of operating systems. Computer operating systems can be categorized by technology, ownership, licensing, working state, usage, and by many other characteristics. In practice, many of these groupings may overlap. Criteria for inclusion is notability, as shown either through an existing Wikipedia article or citation to a reliable source.

Proprietary

Acorn Computers

Amiga Inc.

Apple Inc.

Apollo Computer

Atari

BAE Systems

Be Inc.

Bell Labs

Non-Unix Operating Systems:

Bull SAS

Burroughs Corporation

Control Data Corporation

  • Chippewa Operating System (COS)
    • SIPROS (for Simultaneous Processing Operating System)
    • SCOPE (Supervisory Control Of Program Execution)
    • MACE (Mansfield and Cahlander Executive)
      • Kronos (Kronographic OS)
        • NOS (Network Operating System)
          • NOS/BE NOS Batch Environment
  • EP/IX (Enhanced Performance Unix)

Convergent Technologies

Data General

DataPoint

  • CTOS Z-80 based, Cassette Tape Operating System for early desktop systems. Capable of up to 8 simultaneous users. Replaced by DataPoint DOS.
  • DOS Intel 808x/80x86-based, Disk Operating Systems for desktop systems. Capable of up to 32 users per node. Supported a sophisticated network of nodes that were often purpose-built. The name DOS was used in these products login screens before it was popularized by IBM, Microsoft and others.

DDC-I, Inc.

  • Deos Time & Space Partitioned RTOS, Certified to DO-178B, Level A since 1998
  • HeartOS Posix-based Hard Real-Time Operating System

Digital Research, Inc.

Digital/Tandem Computers/Compaq/HP

ENEA AB

  • OSE Flexible, small footprint, high-performance RTOS for control processors

Fujitsu

Google

Android 4.0.1 on the Galaxy Nexus
  • Google Chrome OS is designed to work exclusively with web applications. Announced on July 7, 2009, Chrome OS is currently publicly available and was released summer 2011. The Chrome OS source code was released on November 19, 2009 under the BSD license as Chromium OS.
  • Chromium OS is an open source operating system development version of Google Chrome OS. Both operating systems are based on the Ubuntu kernel.
  • Android is an operating system for mobile devices. Android is based on Linux core.
  • es is a computer operating system developed originally by Nintendo and since 2008 by Google. It is open source and runs natively on x86 platforms.

Green Hills Software

Heathkit/Zenith Data Systems

Hewlett-Packard

  • HP Multi-Programming Executive; (MPE, MPE/XL, and MPE/iX) runs on HP 3000 and HP e3000 mini-computers.
  • HP-UX; runs on HP9000 and Itanium servers - from small to mainframe-class computers.

Honeywell

Intel Corporation

  • iRMX; real-time operating system originally created to support the Intel 8080 and 8086 processor families in embedded applications.
  • ISIS-II; "Intel Systems Implementation Supervisor" was THE environment for development of software within the Intel microprocessor family in the early 1980s on their Intellec Microcomputer Development System and clones. ISIS-II worked with 8 inch floppy disks and had an editor, cross-assemblers, a linker, an object locator, debugger, compilers for PLM (PL/I for microprocessors of the 8080/86 family), a BASIC interpreter, etc. and allowed file management through a console.

IBM

Further information: History of IBM mainframe operating systems

On early IBM mainframes (1400, 1800, 701, 704, 709, 7090, and 7094)

On IBM S/360, S/370, and successor mainframes

  • OS/360 and successors on IBM S/360, S/370, and successor mainframes
    • OS/360 (first official OS targeted for the System/360 architecture),
      Saw customer installations of the following variations:
      • PCP (Primary Control Program, a kernel and a ground breaking automatic space allocating file system)
      • MFT (original Multi-programming with a Fixed number of Tasks, replaced by MFT II)
      • MFT II (Multi-Programming with a Fixed number of Tasks, had up to 15 fixed size application partitions, plus partitions for system tasks, initially defined at boot time but redefinable by operator command)
      • MVT (Multi-Programming Variable Tasks, had up to 15 application regions defined dynamically, plus additional regions for system tasks)
    • OS/VS (port of OS/360 targeted for the System/370 virtual memory architecture, "OS/370" is not correct name for OS/VS1 and OS/VS2, but rather refers to OS/VS2 MVS and MVS/SP Version 1),
      Customer installations in the following variations:
      • SVS (Single Virtual Storage, both VS1 & VS2 began as SVS systems)
      • OS/VS1 (Operating System/Virtual Storage 1, Virtual-memory version of MFT II)
      • OS/VS2 (Operating System/Virtual Storage 2, Virtual-memory version of OS/MVT but without multiprocessing support)
    • MVS/SE (MVS System Extensions)
    • MVS/SP (MVS System Product)
    • MVS/XA (MVS/SP V2. MVS supported eXtended Architecture, 31-bit addressing)
    • MVS/ESA (MVS supported Enterprise System Architecture, horizontal addressing extensions: data only address spaces called Dataspaces; a Unix environment was available starting with MVS/ESA V4R3)
    • OS/390 (Upgrade from MVS, with an additional Unix environment)
    • z/OS (OS/390 supported z/Architecture, 64-bit addressing)
  • DOS/360 and successors on IBM S/360, S/370, and successor mainframes
    • BOS/360 (early interim version of DOS/360, briefly available at a few Alpha & Beta System/360 sites)
    • TOS/360 (similar to BOS above and more fleeting, able to boot and run from 2x00 series tape drives)
    • DOS/360 (Disk Operating System (DOS), multi-programming system with up to 3 partitions, first commonly available OS for System/360)
      • DOS/360/RJE (DOS/360 with a control program extension that provided for the monitoring of remote job entry hardware (card reader & printer) connected by dedicated phone lines)
    • DOS/VS (First DOS offered on System/370 systems, provided virtual storage)
    • DOS/VSE (also known as VSE, upgrade of DOS/VS, up to 14 fixed size processing partitions )
    • VSE/SP (program product replacing DOS/VSE and VSE/AF)
    • VSE/ESA (DOS/VSE extended virtual memory support to 32-bit addresses (Extended System Architecture)).
    • z/VSE (latest version of the four decades old DOS lineage, supports 64-bit addresses, multiprocessing, multiprogramming, SNA, TCP/IP, and some virtual machine features in support of Linux workloads)

CP/CMS (Control Program/Cambridge Monitor System) and successors on IBM S/360, S/370, and successor mainframes

Further information: History of CP/CMS
  • TPF Line (Transaction Processing Facility) on IBM S/360, S/370, and successor mainframes (largely used by airlines)
  • Unix-like on IBM S/360, S/370, and successor mainframes
  • Others on IBM S/360, S/370, and successor mainframes:
    • BOS/360 (Basic Operating System)
    • MTS (Michigan Terminal System, developed by a group of universities in the US, Canada, and the UK for the IBM System/360 Model 67, System/370 series, and compatible mainframes)
    • RTOS/360 (IBM's Real Time Operating System, ran on 5 NASA custom System/360-75s)
    • TOS/360 (Tape Operating System)
    • TSS/360 (IBM's Time Sharing System)
    • MUSIC/SP (developed by McGill University for IBM System/370)
    • ORVYL and WYLBUR (developed by Stanford University for IBM System/360)

On IBM PC and Intel x86 based architectures

  • PC DOS / IBM DOS
    • PC DOS 1.x, 2.x, 3.x (developed jointly with Microsoft)
    • IBM DOS 4.x, 5.0 (developed jointly with Microsoft)
    • PC DOS 6.1, 6.3, 7, 2000, 7.10
See also: MS-DOS and Windows

On other IBM hardware platforms

International Computers Limited

  • J and MultiJob for the System 4 series mainframes
  • GEORGE 2/3/4 GEneral ORGanisational Environment, used by ICL 1900 series mainframes
  • Executive, used on the 290x range of minicomputers
  • TME, used on the ME29 minicomputer
  • ICL VME, including early variants VME/B VME/K, appearing on the ICL 2900 Series and Series 39 mainframes, implemented in S3.

LynuxWorks (originally Lynx Real-time Systems)

Micrium Inc.

  • MicroC/OS-II (Small pre-emptive priority based multi-tasking kernel)
  • MicroC/OS-III (Small pre-emptive priority based multi-tasking kernel, with unlimited number of tasks and priorities, and round robin scheduling)

Microsoft Corporation

MontaVista Software

NCR Corporation

  • TMX - Transaction Management eXecutive

Novell

  • NetWare network operating system providing high-performance network services. Has been superseded by Open Enterprise Server line, which can be based on NetWare or Linux to provide the same set of services.
  • Open Enterprise Server, the successor to NetWare.

Quadros Systems

  • RTXC Quadros RTOS proprietary C-based RTOS used in embedded systems ows

RCA

  • TSOS, first OS supporting virtual addressing of the main storage and support for both timeshare and batch interface

RoweBots

  • DSPnano RTOS 8/16 Bit Ultra Tiny Embedded Linux Compatible RTOS

Samsung Electronics

SCO / The SCO Group[3]

  • Xenix, Unix System III based distribution for the Intel 8086/8088 architecture
    • Xenix 286, Unix System V Release 2 based distribution for the Intel 80286 architecture
    • Xenix 386, Unix System V Release 2 based distribution for the Intel 80386 architecture
  • SCO Unix, SCO UNIX System V/386 was the first volume commercial product licensed by AT&T to use the UNIX System trademark (1989). Derived from AT&T System V Release 3.2 with an infusion of Xenix device drivers and utilities plus most of the SVR4 features
    • SCO Open Desktop, the first 32-bit graphical user interface for UNIX Systems running on Intel processor-based computers. Based on SCO Unix
  • SCO OpenServer 5, AT&T UNIX System V Release 3 based
  • SCO OpenServer 6, SVR5 (UnixWare 7) based kernel with SCO OpenServer 5 application and binary compatibility, system administration, and user environments
  • UnixWare
    • UnixWare 2.x, based on AT&T System V Release 4.2MP
    • UnixWare 7, UnixWare 2 kernel plus parts of 3.2v5 (UnixWare 2 + OpenServer 5 = UnixWare 7). Referred to by SCO as SVR5

Scientific Data Systems (SDS)

SYSGO

  • PikeOS is a certified real time operating system for safety and security critical embedded systems

TRON Project

Unisys

UNIVAC (later Unisys)

Wang Laboratories

  • WPS Wang Word Processing System. Micro-code based system.
  • OIS Wang Office Information System. Successor to the WPS. Combined the WPS and VP/MVP systems.

Wind River Systems

  • VxWorks Small footprint, scalable, high-performance RTOS

Other

Lisp-based

Non-standard language-based

Other proprietary non-Unix-like

Other proprietary Unix-like and POSIX-compliant

References:

  1. ^ http://lisafaq.sunder.net/lisafaq-sw-wks_about.html
  2. ^ http://www.pagetable.com/docs/lisa_os/Operating%20System%20Reference%20Manual%20for%20the%20Lisa%20(1983).pdf
  3. ^ "SCO History by William Bader". Retrieved 2010-03-12.

Non-proprietary

Unix-like

Research Unix-like and other POSIX-compliant

Free and open source Unix-like

Ubuntu, an example of a Unix-like system
See also: List of Linux distributions
  • OpenSolaris, contains original Unix (SVR4) code. Now discontinued by Oracle in favor of Solaris 11 Express
    • OpenIndiana, aims to continue development and distribution of OpenSolaris operating system. Operates under the Illumos Foundation. Uses the Illumos kernel, which is a derivative of OS/Net, which is basically a Solaris/OpenSolaris kernel with the bulk of the drivers, core libraries, and basic utilities.
    • Nexenta OS, based on the OpenSolaris kernel with Ubuntu packages
    • Jaris OS, based on OpenSolaris with support for Japanese
  • RTEMS (Real-Time Executive for Multiprocessor Systems)
  • Syllable Desktop
  • VSTa

Other Unix-like

  • TUNIS (University of Toronto)

Non-Unix-like

Research non-Unix-like

Free and open source non-Unix-like

  • FreeDOS (open source DOS variant)
  • FreeVMS (open source VMS variant)
  • Haiku (open source inspired by BeOS, under development)
  • MonaOS (written in C++)
  • ReactOS (Windows NT-compatible OS; currently in early, but active development phase)
  • OZONE (object-oriented)
  • Cosmos (written in C#)
  • Phantom OS (persistent object oriented)
  • SharpOS (written in .NET C#)
  • osFree

Disk Operating Systems

Main article: DOS

Network Operating Systems

Main article: Network operating system

Web operating systems

Main article: Web operating system

Generic/commodity and other

For Elektronika BK

Hobby

Embedded

Personal digital assistants (PDAs)

Digital media players

Smartphones and Mobile phones

Main article: Mobile operating system

Routers

Other embedded

Capability-based

LEGO Mindstorms

Other capability-based

See also

References

  1. ^ a b Capability-Based Computer Systems
  2. ^ Fujitsu Extended System Architecture (EXA) Operating System
  3. ^ Haas, Sean (December 28, 2011). "Dreckig OS and the Megalithic Kernel". Retrieved March 13, 2011.
  4. ^ http://www8.hp.com/us/en/hp-news/press-release.html?id=1375489
  5. ^ Wulf, William A.; Harbison, Samual P. "Reflections in a pool of processors - An experience report on C.mmp/Hydra" (PDF). p. 945.
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