Different type of OS in market || 2021

 

Proprietary[edit]

Acorn Computers[edit]

Amazon[edit]

Amiga Inc.[edit]

Amstrad[edit]

Apple Inc.[edit]

Apollo Computer, Hewlett-Packard[edit]

Atari[edit]

BAE Systems[edit]

Be Inc.[edit]

Bell Labs[edit]

Non-Unix Operating Systems:

Burroughs Corporation, Unisys[edit]

Commodore International[edit]

  • GEOS
    • AmigaOS
      • AROS Research Operating System
        • Geoworks

Control Data Corporation[edit]

  • Chippewa Operating System (COS)
    • MACE (Mansfield and Cahlander Executive)
      • Kronos (Kronographic OS)
        • NOS (Network Operating System)
          • NOS/BE NOS Batch Environment
          • NOS/VE NOS Virtual Environment
    • SCOPE (Supervisory Control Of Program Execution)
    • SIPROS (for Simultaneous Processing Operating System)[1]
  • EP/IX (Enhanced Performance Unix)[citation needed]

CloudMosa[edit]

Convergent Technologies[edit]

Cromemco[edit]

Data General[edit]

Datapoint[edit]

  • CTOS Cassette Tape Operating System for the Datapoint 2200[2]
  • DOS Disk Operating System for the Datapoint 2200, 5500, and 1100[3]

DDC-I, Inc.[edit]

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

Digital Research, Inc.[edit]

Digital Equipment Corporation, Compaq, Hewlett-Packard, Hewlett Packard Enterprise[edit]

ENEA AB[edit]

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

Fujitsu[edit]

General Electric, Honeywell, Bull[edit]

Google[edit]

Android OS on the Samsung Galaxy smartphones
  • Chromium OS is an open source operating system development version of Chrome OS. Both operating systems are based on the Linux kernel.
    • 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.
    • Container-Optimized OS (COS) is an operating system that is optimized for running Docker containers, based on Chromium OS.[4]
  • Android is an operating system for mobile devices. It consists of Android Runtime (userland) with Linux (kernel), with its Linux kernel modified to add drivers for mobile device hardware and to remove unused Vanilla Linux drivers.
  • gLinux, a Linux distribution that Google uses internally
  • Fuchsia is a capability-based, real-time, operating system (RTOS) scalable to universal devices, in early development, from the tiniest embedded hardware, wristwatches, tablets to the largest personal computers. Unlike Chrome OS and Android, it is not based on the Linux kernel, but instead began on a new microkernel called "Zircon", derived from "Little Kernel".
  • Wear OS a version of Google's Android operating system designed for smartwatches and other wearables.

Green Hills Software[edit]

Harris Corporation[edit]

  • Vulcan O/S – Proprietary O/S for Harris' Computer Systems (HCX)
  • Harris UNIX – Proprietary UNIX based OS for Harris' Computers (MCX)

Heathkit, Zenith Data Systems[edit]

Hewlett-Packard, Hewlett Packard Enterprise[edit]

  • 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[edit]

Huawei[edit]

Intel Corporation[edit]

  • iRMX – real-time operating system originally created to support the Intel 8080 and 8086 processor families in embedded applications.
  • ISIS, ISIS-II – "Intel Systems Implementation Supervisor" was an 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 PL/M, a BASIC interpreter, etc. and allowed file management through a console.

IBM[edit]

Further information: History of IBM mainframe operating systems

On early mainframes: 1400, 701, 704, 709, 7090, 7094[edit]

On S/360, S/370, and successor mainframes[edit]

  • OS/360 and successors on IBM S/360, S/370, and successor mainframes
    • OS/360 (first official OS targeted for the System/360 architecture)
      • 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)
    • Phoenix/MVS (Developed at Cambridge University)
    • 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)[5]
    • 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 PC and Intel x86 based architectures[edit]

  • 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 hardware platforms[edit]

International Computers Limited[edit]

  • 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 1900 and 290x range of minicomputers. A modified version of Executive was also used as part of GEORGE 3 and 4.
  • TME – used on the ME29 minicomputer
  • ICL VME – including early variants VME/B and VME/2900, appearing on the ICL 2900 Series and Series 39 mainframes, implemented in S3
  • VME/K – on early smaller 2900s

Jide[edit]

KaiOS[edit]

Kostya OS[edit]

Lynx Real-time Systems, LynuxWorks, Lynx Software Technologies[edit]

Micrium Inc.[edit]

  • 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[edit]

MITS[edit]

MontaVista[edit]

NCR Corporation[edit]

  • TMX – Transaction Management eXecutive
  • IMOS – Interactive Multiprogramming Operating System (circa 1978), for the NCR Century 8200 series minicomputers[citation needed]
  • VRX – Virtual Resource eXecutive

Nintendo[edit]

  • ES is a computer operating system developed originally by Nintendo and since 2008 by Esrille. It is open source and runs natively on x86 platforms.

NeXT[edit]

Novell[edit]

Quadros Systems[edit]

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

RCA[edit]

  • Time Sharing Operating System (TSOS) – first OS supporting virtual addressing of the main storage and support for both timeshare and batch interface

RoweBots[edit]

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

Samsung Electronics[edit]

  • Bada
  • Tizen is an operating system based on the Linux kernel, a project within the Linux Foundation and is governed by a Technical Steering Group (TSG) while controlled by Samsung and backed by Intel. Tizen works on a wide range of Samsung devices including smartphones, tablets, smart TVs, PCs and wearable.
  • One UI

SCO, SCO Group[6][edit]

  • 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)[edit]

SYSGO[edit]

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

Tandem Computers, Compaq, Hewlett-Packard, Hewlett Packard Enterprise[edit]

  • NonStop OS – runs on HP's NonStop line of Itanium servers

Tandy Corporation[edit]

TCSC (later NCSC)[edit]

Texas Instruments[edit]

  • TI-RTOS Kernel – Real-time operating system for TI's embedded devices.

TRON Project[edit]

UNIVAC, Unisys[edit]

Wang Laboratories[edit]

  • 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[edit]

  • VxWorks – Small footprint, scalable, high-performance RTOS for embedded microprocessor based systems.[7]

Zilog[edit]

Zorin Group[edit]

Other[edit]

Lisp-based[edit]

For Elektronika BK[edit]

Non-standard language-based[edit]

Other proprietary non-Unix-like[edit]

Other proprietary Unix-like and POSIX-compliant[edit]

Non-proprietary[edit]

Unix or Unix-like[edit]

Non-Unix[edit]

  • Cosmos – written in C#
  • FreeDOS – open source DOS variant
  • Genode – operating system framework for microkernels (written in C++)
  • Ghost OS – written in Assembly, C/C++
  • Haiku (open source inspired by BeOS, under development)
  • ITS – written by MIT students (for the PDP-6 and PDP-10) (written in MIDAS)
  • osFree – OS/2 Warp open source clone.
  • OSv – written in C++
  • Phantom OS – persistent object oriented
  • ReactOS – open source OS designed to be binary compatible with Windows NT and its variants (Windows XP, Windows 2000, etc.); currently in development phase
  • SharpOS – written in .NET C#
  • TempleOS – written in HolyC
  • Visopsys – written by Andy McLaughlin (written in C and Assembly)

Research[edit]

Unix or Unix-like[edit]

Non-Unix[edit]

Disk operating systems (DOS)[edit]

Main article: Disk operating system
  • 86-DOS (developed at Seattle Computer Products by Tim Paterson for the new Intel 808x CPUs; licensed to Microsoft, became PC DOS/MS-DOS. Also known by its working title QDOS.)
    • PC DOS (IBM's DOS variant, developed jointly with Microsoft, versions 1.0–7.0, 2000, 7.10)
    • MS-DOS (Microsoft's DOS variant for OEM, developed jointly with IBM, versions 1.x–6.22 Microsoft's now abandoned DOS variant)
  • Concurrent CP/M-86 3.1 (BDOS 3.1) with PC-MODE (Digital Research's successor of CP/M-86 and MP/M-86)
    • Concurrent DOS 3.1-4.1 (BDOS 3.1-4.1)
      • Concurrent PC DOS 3.2 (BDOS 3.2) (Concurrent DOS variant for IBM compatible PCs)
        • DOS Plus 1.1, 1.2 (BDOS 4.1), 2.1 (BDOS 5.0) (single-user, multi-tasking system derived from Concurrent DOS 4.1-5.0)
      • Concurrent DOS 8-16 (dual-processor variant of Concurrent DOS for 8086 and 8080 CPUs)
      • Concurrent DOS 286 1.x
      • Concurrent DOS 386 1.0, 1.1, 2.0, 3.0 (BDOS 5.0-6.2)
      • Concurrent DOS XM 5.0, 5.2, 6.0, 6.2 (BDOS 5.0-6.2) (real-mode variant of Concurrent DOS with EEMS support)
        • DR DOS 3.31, 3.32, 3.33, 3.34, 3.35, 5.0, 6.0 (BDOS 6.0-7.1) single-user, single-tasking native DOS derived from Concurrent DOS 6.0)
          • Novell PalmDOS 1 (BDOS 7.0)
          • Novell DR DOS "StarTrek"
          • Novell DOS 7 (single-user, multi-tasking system derived from DR DOS, BDOS 7.2)
            • Novell DOS 7 updates 1-10 (BDOS 7.2)
              • Caldera OpenDOS 7.01 (BDOS 7.2)
                • Enhanced DR-DOS 7.01.0x (BDOS 7.2)
                  • Dell Real Mode Kernel (DRMK)
            • Novell DOS 7 updates 11-15.2 (BDOS 7.2)
              • Caldera DR-DOS 7.02-7.03 (BDOS 7.3)
                • DR-DOS "WinBolt"
                • OEM DR-DOS 7.04-7.05 (BDOS 7.3)
                • OEM DR-DOS 7.06 (PQDOS)
                • OEM DR-DOS 7.07 (BDOS 7.4/7.7)
  • FreeDOS (open source DOS variant)
  • ProDOS (operating system for the Apple II series computers)
  • PTS-DOS (DOS variant by Russian company Phystechsoft)
  • TurboDOS (Software 2000, Inc.) for Z80 and Intel 8086 processor-based systems
  • Multi-tasking user interfaces and environments for DOS

Network operating systems[edit]

Main article: Network operating system

Generic, commodity, and other[edit]

Hobby[edit]

Main article: Hobbyist operating system

Embedded[edit]

Mobile operating systems[edit]

Main article: Mobile operating system

Routers[edit]

Other embedded[edit]

LEGO Mindstorms[edit]

Capability-based[edit]

See also[edit]

Category links[edit]

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