List of operating systems: Difference between revisions

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==Proprietary==
==Proprietary==
===Acorn Computers===
===[[Acorn Computers]]===
* [[Arthur (operating system)|Arthur]]
* [[Arthur (operating system)|Arthur]]
* [[ARX (operating system)|ARX]]
* [[ARX (operating system)|ARX]]
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* [[RISC OS]]
* [[RISC OS]]


===Amazon===
===[[Amazon (company)|Amazon]]===
* [[Fire OS]]
* [[Fire OS]]


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* [[Amiga Unix]] (a.k.a. Amix)
* [[Amiga Unix]] (a.k.a. Amix)


===Amstrad===
===[[Amstrad]]===
* [[AMSDOS]]
* [[AMSDOS]]
* [[Contiki]]
* [[Contiki]]
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* [[SymbOS]]
* [[SymbOS]]


===Apple===
===[[Apple Inc.|Apple]]===
* [[Apple II]]
* [[Apple II]]
** [[Apple DOS]]
** [[Apple DOS]]
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*** [[Apple Watch]]
*** [[Apple Watch]]
**** [[watchOS]]
**** [[watchOS]]
*** [[Apple TV]]
*** [[Apple TV (device)|Apple TV]]
**** [[tvOS]]
**** [[tvOS]]
*** Embedded operating systems
*** Embedded operating systems
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** Unnamed [[NetBSD]] variant for [[Airport Extreme]] and [[Time Capsule (Apple)|Time Capsule]]
** Unnamed [[NetBSD]] variant for [[Airport Extreme]] and [[Time Capsule (Apple)|Time Capsule]]


===Apollo Computer, Hewlett-Packard===
===[[Apollo Computer]], [[Hewlett-Packard]]===
* [[Domain/OS]] – One of the first network-based systems. Run on [[Apollo/Domain]] hardware. Later bought by [[Hewlett-Packard]].
* [[Domain/OS]] – One of the first network-based systems. Run on [[Apollo/Domain]] hardware. Later bought by [[Hewlett-Packard]].


===Atari===
===[[Atari]]===
* [[Atari DOS]] (for 8-bit computers)
* [[Atari DOS]] (for 8-bit computers)
* [[Atari TOS]]
* [[Atari TOS]]
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* [[Contiki]] (for 8-bit, ST, Portfolio)
* [[Contiki]] (for 8-bit, ST, Portfolio)


===BAE Systems===
===[[BAE Systems Electronic Systems|BAE Systems]]===
* [[XTS-400]]
* [[XTS-400]]


===Be Inc.===
===[[Be Inc.]]===
* [[BeOS]]
* [[BeOS]]
** [[BeIA]]
** [[BeIA]]
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*** [[magnussoft ZETA]] (based on [[Dano (BeOS)|BeOS r5.1d0]] source code, developed by [[yellowTAB]])
*** [[magnussoft ZETA]] (based on [[Dano (BeOS)|BeOS r5.1d0]] source code, developed by [[yellowTAB]])


===Bell Labs===
===[[Bell Labs]]===
* [[Unix]] ("Ken's new system," for its creator ([[Ken Thompson]]), officially Unics and then Unix, the prototypic operating system created in Bell Labs in 1969 that formed the basis for the [[List of Unix systems|Unix family]] of operating systems)
* [[Unix]] ("Ken's new system," for its creator ([[Ken Thompson]]), officially Unics and then Unix, the prototypic operating system created in Bell Labs in 1969 that formed the basis for the [[List of Unix systems|Unix family]] of operating systems)
** UNIX Time-Sharing System v1
** UNIX Time-Sharing System v1
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* [[Inferno (operating system)|Inferno]]
* [[Inferno (operating system)|Inferno]]


===Burroughs Corporation, Unisys===
===[[Burroughs Corporation]], [[Unisys]]===
* [[Burroughs MCP]]
* [[Burroughs MCP]]


===CII===
===[[Compagnie Internationale d'Informatique|CII]]===
* [[Siris 8]]
* [[Siris 8]]


===Commodore International===
===[[Commodore International]]===
* [[GEOS (8-bit operating system)|GEOS]]
* [[GEOS (8-bit operating system)|GEOS]]
* [[AmigaOS]]
* [[AmigaOS]]
* [[AROS Research Operating System]]
* [[AROS Research Operating System]]


===Control Data Corporation===
===[[Control Data Corporation]]===
====Lower 3000 series====
====Lower 3000 series====
* [[CDC SCOPE|SCOPE]] (Supervisory Control Of Program Execution)<ref>{{cite book
* [[CDC SCOPE|SCOPE]] (Supervisory Control Of Program Execution)<ref>{{cite book
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[[Multiple Console Time Sharing System]] (MCTS), from General Motors Research
[[Multiple Console Time Sharing System]] (MCTS), from General Motors Research


===CloudMosa===
===[[CloudMosa]]===
* [[Puffin OS]]
* [[Puffin OS]]


===Convergent Technologies===
===[[Convergent Technologies]]===
* [[Convergent Technologies Operating System]] (CTOS) – later acquired by [[Unisys]]
* [[Convergent Technologies Operating System]] (CTOS) – later acquired by [[Unisys]]


===Cromemco===
===[[Cromemco]]===
* [[Cromemco DOS]] (CDOS) – a Disk Operating system compatible with [[CP/M]]
* [[Cromemco DOS]] (CDOS) – a Disk Operating system compatible with [[CP/M]]
* [[Cromix]] – a multitasking, multi-user, [[Unix]]-like OS for [[Cromemco]] microcomputers with [[Zilog Z80|Z80A]] and/or [[Motorola 68000|68000]] CPU
* [[Cromix]] – a multitasking, multi-user, [[Unix]]-like OS for [[Cromemco]] microcomputers with [[Zilog Z80|Z80A]] and/or [[Motorola 68000|68000]] CPU


===Data General===
===[[Data General]]===
* [[Data General AOS|AOS]] for 16-bit [[Data General Eclipse]] computers and [[Data General AOS|AOS/VS]] for 32-bit (MV series) Eclipses, MP/AOS for microNOVA-based computers
* [[Data General AOS|AOS]] for 16-bit [[Data General Eclipse]] computers and [[Data General AOS|AOS/VS]] for 32-bit (MV series) Eclipses, MP/AOS for microNOVA-based computers
* [[DG/UX]]
* [[DG/UX]]
* [[Data General RDOS|RDOS]] Real-time Disk Operating System, with variants: RTOS and DOS (not related to [[PC DOS]], [[MS-DOS]] etc.)
* [[Data General RDOS|RDOS]] Real-time Disk Operating System, with variants: RTOS and DOS (not related to [[PC DOS]], [[MS-DOS]] etc.)


===Datapoint===
===[[Datapoint]]===
* CTOS Cassette Tape Operating System for the [[Datapoint 2200]]<ref>{{cite book|url=http://bitsavers.org/pdf/datapoint/software/Datapoint_2200_Cassette_Tape_Operating_System_May1972.pdf|title=Datapoint 2200 Cassette Tape Operating System|date=May 1972|publisher=[[Datapoint]]}}</ref>
* CTOS Cassette Tape Operating System for the [[Datapoint 2200]]<ref>{{cite book|url=http://bitsavers.org/pdf/datapoint/software/Datapoint_2200_Cassette_Tape_Operating_System_May1972.pdf|title=Datapoint 2200 Cassette Tape Operating System|date=May 1972|publisher=[[Datapoint]]}}</ref>
* DOS Disk Operating System for the Datapoint 2200, 5500, and 1100<ref>{{cite book|url=http://bitsavers.org/pdf/datapoint/software/50127_Datapoint_DOS_UsersGuide_Feb75.pdf|title=Disk Operating System DOS. User's Guide|date=February 1975|publisher=[[Datapoint]]}}</ref>
* DOS Disk Operating System for the Datapoint 2200, 5500, and 1100<ref>{{cite book|url=http://bitsavers.org/pdf/datapoint/software/50127_Datapoint_DOS_UsersGuide_Feb75.pdf|title=Disk Operating System DOS. User's Guide|date=February 1975|publisher=[[Datapoint]]}}</ref>


===DDC-I, Inc.===
===[[DDC-I, Inc.]]===
* [[Deos]] – Time & Space Partitioned RTOS, Certified to DO-178B, Level A since 1998
* [[Deos]] – Time & Space Partitioned RTOS, Certified to DO-178B, Level A since 1998
* [[HeartOS]] – POSIX-based Hard Real-Time Operating System
* [[HeartOS]] – POSIX-based Hard Real-Time Operating System


===Digital Research, Inc.===
===[[Digital Research|Digital Research, Inc.]]===
* [[CP/M]]
* [[CP/M]]
** [[CP/M]] CP/M for [[Intel 8080]]/[[Intel 8085|8085]] and [[Zilog Z80]]
** [[CP/M]] CP/M for [[Intel 8080]]/[[Intel 8085|8085]] and [[Zilog Z80]]
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*** Caldera [[DR-DOS]] 7.02 and higher
*** Caldera [[DR-DOS]] 7.02 and higher


===Digital Equipment Corporation, Compaq, Hewlett-Packard, Hewlett Packard Enterprise===
===[[Digital Equipment Corporation]], [[Compaq]], [[Hewlett-Packard]], [[Hewlett Packard Enterprise]]===
* [[DEC BATCH-11/DOS-11|Batch-11/DOS-11]]
* [[DEC BATCH-11/DOS-11|Batch-11/DOS-11]]
* [[OS/8]]
* [[OS/8]]
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* [[WAITS]] – for the PDP-6 and PDP-10
* [[WAITS]] – for the PDP-6 and PDP-10


===ENEA AB===
===[[ENEA AB]]===
* [[Operating System Embedded|OSE]] – Flexible, small footprint, high-performance RTOS for control processors
* [[Operating System Embedded|OSE]] – Flexible, small footprint, high-performance RTOS for control processors


===Fujitsu===
===[[Fujitsu]]===
* [[Towns OS]]
* [[Towns OS]]
* XSP
* XSP
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* [[MSP-EX]]
* [[MSP-EX]]


===GEC Computers===
===[[GEC Computers]]===
* COS
* COS
* DOS
* DOS
* [[OS4000]]
* [[OS4000]]


===General Electric, Honeywell, Bull===
===[[General Electric]], [[Honeywell]], Bull===
* [[Real-Time Multiprogramming Operating System]]
* [[Real-Time Multiprogramming Operating System]]
* [[General Comprehensive Operating System|GCOS]]
* [[General Comprehensive Operating System|GCOS]]
* [[Multics]]
* [[Multics]]


===Google===
===[[Google]]===
[[File:Foldable smartphone (Android OS).jpg|upright|thumb|220px|[[Android (operating system)|Android OS]] on the [[Samsung Galaxy Z series|Samsung Galaxy Z]] smartphones]]
[[File:Foldable smartphone (Android OS).jpg|thumb|[[Android (operating system)|Android OS]] on the [[Samsung Galaxy Z series|Samsung Galaxy Z]] smartphones]]


* [[ChromiumOS]] is an open source operating system development version of ChromeOS. Both operating systems are based on the [[Linux]] kernel.
* [[ChromiumOS]] is an open source operating system development version of ChromeOS. Both operating systems are based on the [[Linux]] kernel.
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* [[Wear OS]] a version of [[Google]]'s [[Android (operating system)|Android]] [[operating system]] designed for [[smartwatch]]es and other [[Wearable computer|wearables]].
* [[Wear OS]] a version of [[Google]]'s [[Android (operating system)|Android]] [[operating system]] designed for [[smartwatch]]es and other [[Wearable computer|wearables]].


===Green Hills Software===
===[[Green Hills Software]]===
* [[Integrity (operating system)|INTEGRITY]] – Reliable Operating system
* [[Integrity (operating system)|INTEGRITY]] – Reliable Operating system
* [[INTEGRITY-178B]] – A DO-178B certified version of [[Integrity (operating system)|INTEGRITY]].
* [[INTEGRITY-178B]] – A DO-178B certified version of [[Integrity (operating system)|INTEGRITY]].
* ''[[Green Hills Software#Real-time operating systems|μ-velOSity]]'' – A lightweight [[microkernel]].
* ''[[Green Hills Software#Real-time operating systems|μ-velOSity]]'' – A lightweight [[microkernel]].


===Harris Computer Systems ===
===[[Harris Computer Systems]] ===
* [[Vulcan O/S]] – Proprietary O/S for [[Harris Computer Systems]] (HCX)
* [[Vulcan O/S]] – Proprietary O/S for [[Harris Computer Systems]] (HCX)
* [[CX/UX]] – Proprietary UNIX based OS for Harris' computers (MCX)
* [[CX/UX]] – Proprietary UNIX based OS for Harris' computers (MCX)


===Heathkit, Zenith Data Systems===
===[[Heathkit]], [[Zenith Data Systems]]===
* [[HDOS]] – ran on the [[Heathkit H8|H8]] and Heath/[[Zenith Z-89]] series
* [[HDOS]] – ran on the [[Heathkit H8|H8]] and Heath/[[Zenith Z-89]] series
* [[Heathkit H11#Specifications|HT-11]] – a modified version of [[RT-11]] that ran on the [[Heathkit H11]]
* [[Heathkit H11#Specifications|HT-11]] – a modified version of [[RT-11]] that ran on the [[Heathkit H11]]


===Hewlett-Packard, Hewlett Packard Enterprise===
===[[Hewlett-Packard]], [[Hewlett Packard Enterprise]]===
* [[HP Multi-Programming Executive]] (MPE, MPE/XL, and MPE/iX) – runs on HP 3000 and HP e3000 mini-computers
* [[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)
* [[HP-UX]] – runs on HP9000 and Itanium servers (from small to mainframe-class computers)


===Honeywell===
===[[Honeywell]]===
* [[Honeywell CP-6|CP-6]], CP-V work-alike for Honeywell Level/66
* [[Honeywell CP-6|CP-6]], CP-V work-alike for Honeywell Level/66


===Huawei===
===[[Huawei]]===
* [[HarmonyOS]]
* [[HarmonyOS]]
* [[HarmonyOS NEXT]]
* [[HarmonyOS NEXT]]
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* [[EulerOS]]
* [[EulerOS]]


===Intel Corporation===
===[[Intel Corporation]]===
* [[RMX (operating system)|iRMX]] – real-time operating system originally created to support the Intel 8080 and 8086 processor families in embedded applications.
* [[RMX (operating system)|iRMX]] – real-time operating system originally created to support the Intel 8080 and 8086 processor families in embedded applications.
* [[ISIS (operating system)|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&nbsp;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.
* [[ISIS (operating system)|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&nbsp;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.
* [[iMAX 432]] - an operating system for systems based on Intel's [[iAPX 432]] architecture.
* [[iMAX 432]] - an operating system for systems based on Intel's [[iAPX 432]] architecture.


===IBM===
===[[IBM]]===
{{further|History of IBM mainframe operating systems}}
{{further|History of IBM mainframe operating systems}}


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** [[Dynix]] (developed by [[Sequent Computer Systems|Sequent]], and used for IBM [[NUMA-Q]] too)
** [[Dynix]] (developed by [[Sequent Computer Systems|Sequent]], and used for IBM [[NUMA-Q]] too)


===International Computers Limited===
===[[International Computers Limited]]===
* [[J (operating system)|J]] and [[MultiJob]] – for the System 4 series mainframes
* [[J (operating system)|J]] and [[MultiJob]] – for the System 4 series mainframes
* [[GEORGE (operating system)|GEORGE]] 2/3/4 GEneral ORGanisational Environment – used by [[International Computers Limited|ICL]] [[ICT 1900 series|1900 series]] mainframes
* [[GEORGE (operating system)|GEORGE]] 2/3/4 GEneral ORGanisational Environment – used by [[International Computers Limited|ICL]] [[ICT 1900 series|1900 series]] mainframes
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* [[Remix OS]]
* [[Remix OS]]


===Jolla===
===[[Jolla]]===
* [[Sailfish OS]]
* [[Sailfish OS]]


===KaiOS===
===[[KaiOS]]===
* [[KaiOS]]
* [[KaiOS]]


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* [[Flyme OS]]
* [[Flyme OS]]


===Microsoft Corporation===
===[[Microsoft Corporation]]===
* [[Xenix]] (licensed version of Unix; licensed to [[Santa Cruz Operation|SCO]] in 1987)
* [[Xenix]] (licensed version of Unix; licensed to [[Santa Cruz Operation|SCO]] in 1987)
* [[MS-DOS]] (developed jointly with IBM, versions 1.0–6.22)
* [[MS-DOS]] (developed jointly with IBM, versions 1.0–6.22)
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* [[Altair DOS]] – An early disk operating system for the [[Altair 8800]] machine.{{Citation needed|date=April 2019}}
* [[Altair DOS]] – An early disk operating system for the [[Altair 8800]] machine.{{Citation needed|date=April 2019}}


===MontaVista===
===[[MontaVista]]===
* MontaVista [[Mobilinux]]
* MontaVista [[Mobilinux]]


===Motorola===
===[[Motorola]]===
* [[VERSAdos]]
* [[VERSAdos]]


===NCR Corporation===
===[[NCR Voyix|NCR Corporation]]===
* [[Transaction Management eXecutive|TMX]] – Transaction Management eXecutive.
* [[Transaction Management eXecutive|TMX]] – Transaction Management eXecutive.
* [[IMOS]] – Interactive Multiprogramming Operating System (circa 1978), for the NCR Century 8200 series minicomputers.<ref>{{Cite web |year=1980 |title=NCR 8200 Series: Technical and Commercial Documentation |url=http://www.bitsavers.org/pdf/ncr/NCR_DataPro_Reports/M11-656-40_8007_NCR_8200.pdf |publisher=Datapro Research Corporation |publication-place=Delran, NJ, USA.}}</ref>
* [[IMOS]] – Interactive Multiprogramming Operating System (circa 1978), for the NCR Century 8200 series minicomputers.<ref>{{Cite web |year=1980 |title=NCR 8200 Series: Technical and Commercial Documentation |url=http://www.bitsavers.org/pdf/ncr/NCR_DataPro_Reports/M11-656-40_8007_NCR_8200.pdf |publisher=Datapro Research Corporation |publication-place=Delran, NJ, USA.}}</ref>
* [[NCR VRX|VRX]] – Virtual Resource eXecutive.
* [[NCR VRX|VRX]] – Virtual Resource eXecutive.


===NeXT===
===[[NeXT]]===
* [[NeXTSTEP]]
* [[NeXTSTEP]]


===Nintendo===
===[[Nintendo]]===
* [[History of Nintendo#2004–2011: Nintendo DS and Wii|ES]] – a computer operating system developed originally by Nintendo and since 2008 by Esrille. It is open source and runs natively on x86 platforms.
* [[History of Nintendo#2004–2011: Nintendo DS and Wii|ES]] – a computer operating system developed originally by Nintendo and since 2008 by Esrille. It is open source and runs natively on x86 platforms.
* [[Wii system software]]
* [[Wii system software]]
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* [[Nintendo Switch system software]]
* [[Nintendo Switch system software]]


===Novell===
===[[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.
* [[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.
* [[UnixWare]]
* [[UnixWare]]
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* DSPnano RTOS – 8/16 Bit Ultra Tiny Embedded Linux Compatible RTOS
* DSPnano RTOS – 8/16 Bit Ultra Tiny Embedded Linux Compatible RTOS


===Samsung Electronics===
===[[Samsung Electronics]]===
* [[Bada (operating system)|Bada]]
* [[Bada (operating system)|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.
* [[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.
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** [[UnixWare]] 7, UnixWare 2 kernel plus parts of 3.2v5 (UnixWare 2 + OpenServer 5 = UnixWare 7). Referred to by [[Santa Cruz Operation|SCO]] as SVR5
** [[UnixWare]] 7, UnixWare 2 kernel plus parts of 3.2v5 (UnixWare 2 + OpenServer 5 = UnixWare 7). Referred to by [[Santa Cruz Operation|SCO]] as SVR5


===Silicon Laboratories (formerly Micrium Inc.)===
===[[Silicon Laboratories]] (formerly Micrium Inc.)===
* [[Micro-Controller Operating Systems#History|Micrium OS]] - customized μC/OS-III for Silicon Laboratories's SoC products
* [[Micro-Controller Operating Systems#History|Micrium OS]] - customized μC/OS-III for Silicon Laboratories's SoC products


===Sinclair Research===
===[[Sinclair Research]]===
* [[Sinclair BASIC]] was used in the 8-bit home computers from [[Sinclair Research]] and [[Timex Sinclair]]. It was included in the ROM, and the computers booted to the Basic interpreter. Various versions exist, with the latter ones supporting disk drive operations.
* [[Sinclair BASIC]] was used in the 8-bit home computers from [[Sinclair Research]] and [[Timex Sinclair]]. It was included in the ROM, and the computers booted to the Basic interpreter. Various versions exist, with the latter ones supporting disk drive operations.


===Sony===
===[[Sony]]===
* [[PlayStation Vita system software]]
* [[PlayStation 3 system software]]
* [[PlayStation 3 system software]]
* [[PlayStation 4 system software]]
* [[PlayStation 4 system software]]
* [[PlayStation 5 system software]]
* [[PlayStation 5 system software]]


===SYSGO===
===[[SYSGO]]===
* [[PikeOS]] – a certified real time operating system for safety and security critical embedded systems
* [[PikeOS]] – a certified real time operating system for safety and security critical embedded systems


===Tandem Computers, Compaq, Hewlett-Packard, Hewlett Packard Enterprise===
===[[Tandem Computers]], [[Compaq]], [[Hewlett-Packard]], [[Hewlett Packard Enterprise]]===
* [[NonStop (server computers)|NonStop OS]] - formerly Guardian (Tandem), then NonStop Kernel, then NonStop OS; runs on HPE's NonStop line of servers
* [[NonStop (server computers)|NonStop OS]] - formerly Guardian (Tandem), then NonStop Kernel, then NonStop OS; runs on HPE's NonStop line of servers


===Tandy Corporation===
===[[Tandy Corporation]]===
* [[TRSDOS]] – A floppy-disk-oriented OS supplied by Tandy/Radio Shack for their [[TRS-80]] Z80-based line of personal computers. Eventually renamed as LS-DOS or LDOS.
* [[TRSDOS]] – A floppy-disk-oriented OS supplied by Tandy/Radio Shack for their [[TRS-80]] Z80-based line of personal computers. Eventually renamed as LS-DOS or LDOS.
* [[Color BASIC]] – A ROM-based OS created by Microsoft for the [[TRS-80 Color Computer]].<ref>{{Cite web|title=Getting Started with Extended Color Basic (Tandy)|url=https://colorcomputerarchive.com/repo/Documents/Manuals/Hardware/Getting%20Started%20With%20Extended%20Color%20Basic%20(Tandy).pdf}}</ref>
* [[Color BASIC]] – A ROM-based OS created by Microsoft for the [[TRS-80 Color Computer]].<ref>{{Cite web|title=Getting Started with Extended Color Basic (Tandy)|url=https://colorcomputerarchive.com/repo/Documents/Manuals/Hardware/Getting%20Started%20With%20Extended%20Color%20Basic%20(Tandy).pdf}}</ref>
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* [[VS/9]], successor to [[Time Sharing Operating System|RCA TSOS]]
* [[VS/9]], successor to [[Time Sharing Operating System|RCA TSOS]]
* [[OS/4]] for 9000 series
* [[OS/4]] for 9000 series
===Valve===
* [[SteamOS]] - a [[Arch Linux|Arch]] based operating system for [[Handheld PC|Handheld gaming PC]]


===Wang Laboratories===
===Wang Laboratories===
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* [[Domain/OS|Aegis]] ([[Apollo Computer]])
* [[Domain/OS|Aegis]] ([[Apollo Computer]])
* [[Amiga Unix]] (Amiga ports of Unix System V release 3.2 with Amiga A2500UX and SVR4 with Amiga A3000UX. Started in 1990, last version was in 1992)
* [[Amiga Unix]] (Amiga ports of Unix System V release 3.2 with Amiga A2500UX and SVR4 with Amiga A3000UX. Started in 1990, last version was in 1992)
* [[ChorusOS]] from [[French Institute for Research in Computer Science and Automation|INRIA]]
* [[Coherent (operating system)|Coherent]] ([[Unix-like]] OS from Mark Williams Co. for PC class computers)
* [[Coherent (operating system)|Coherent]] ([[Unix-like]] OS from Mark Williams Co. for PC class computers)
* [[DC/OSx]] (DataCenter/OSx&mdash;an operating system developed by [[Pyramid Technology]] for its [[MIPS architecture|MIPS]]-based systems)
* [[DC/OSx]] (DataCenter/OSx&mdash;an operating system developed by [[Pyramid Technology]] for its [[MIPS architecture|MIPS]]-based systems)
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* [[Interactive Unix]] (a [[porting|port]] of the [[UNIX System V]] [[operating system]] for [[x86|Intel x86]] by [[Interactive Systems Corporation]])
* [[Interactive Unix]] (a [[porting|port]] of the [[UNIX System V]] [[operating system]] for [[x86|Intel x86]] by [[Interactive Systems Corporation]])
* [[IRIX]] from [[Silicon Graphics|SGI]]
* [[IRIX]] from [[Silicon Graphics|SGI]]
* MASIX<ref>{{Cite web |title=IBP-Masi-1993/72 |url=https://www.lip6.fr/reports/IBP/Masi.1993.72.html |access-date=2025-10-12 |website=www.lip6.fr}}</ref> from MASI laboratory (a multiserver operating system based on Mach microkernel)
* [[MeikOS]]
* [[MeikOS]]
* [[NeXTSTEP]] (developed by [[NeXT]]; a Unix-based OS based on the [[Mach (kernel)|Mach]] microkernel)
* [[NeXTSTEP]] (developed by [[NeXT]]; a Unix-based OS based on the [[Mach (kernel)|Mach]] microkernel)
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* [[OPENSTEP]]
* [[OPENSTEP]]
* [[QNX]] (POSIX, microkernel OS; usually a real time embedded OS)
* [[QNX]] (POSIX, microkernel OS; usually a real time embedded OS)
* PNX, a port of UNIX v7 and System III to the PERQ computer
* [[Rhapsody (operating system)|Rhapsody]] (an early form of Mac OS X)
* [[Rhapsody (operating system)|Rhapsody]] (an early form of Mac OS X)
* [[RISC iX]] – derived from BSD 4.3, by Acorn computers, for their [[ARM architecture|ARM]] family of machines
* [[RISC iX]] – derived from BSD 4.3, by Acorn computers, for their [[ARM architecture|ARM]] family of machines
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* [[Phantom OS]] – persistent object-oriented
* [[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.); in development
* [[ReactOS]] – open source OS designed to be binary compatible with [[Windows NT]] and its variants ([[Windows XP]], [[Windows 2000]], etc.); in development
* [https://github.com/differrari/RedactedOS <nowiki>[Redacted] OS</nowiki>] - open source made by [https://youtube.com/@developedfromscratch Developed from Scratch]
* [[SharpOS]] – written in .NET C#
* [[SharpOS]] – written in .NET C#
* [[Visopsys]] – written in C and assembly by Andy McLaughlin
* [[Visopsys]] – written in C and assembly by Andy McLaughlin
Line 889: Line 897:
** [[9front]], a derivative open-source project<ref>{{Cite web |title=Introduction to 9front {{!}} Hacker News |url=https://news.ycombinator.com/item?id=12617036 |access-date=2022-09-19 |website=news.ycombinator.com}}</ref> made to resurrect Plan 9<ref>{{Cite web |title=Plan9 has been forked: 9front {{!}} Hacker News |url=https://news.ycombinator.com/item?id=2772718 |access-date=2022-09-19 |website=news.ycombinator.com}}</ref> to passionate developers
** [[9front]], a derivative open-source project<ref>{{Cite web |title=Introduction to 9front {{!}} Hacker News |url=https://news.ycombinator.com/item?id=12617036 |access-date=2022-09-19 |website=news.ycombinator.com}}</ref> made to resurrect Plan 9<ref>{{Cite web |title=Plan9 has been forked: 9front {{!}} Hacker News |url=https://news.ycombinator.com/item?id=2772718 |access-date=2022-09-19 |website=news.ycombinator.com}}</ref> to passionate developers
* [[Research Unix]]<ref>{{Cite web|url=http://www.tuhs.org/Archive/Caldera-license.pdf|title=Caldera license|date=2002-01-23|access-date=2019-01-29}}</ref><ref>{{Cite web|url=http://www.lemis.com/grog/UNIX/|title=UNIX is free!|website=www.lemis.com|access-date=2018-08-24}}</ref>
* [[Research Unix]]<ref>{{Cite web|url=http://www.tuhs.org/Archive/Caldera-license.pdf|title=Caldera license|date=2002-01-23|access-date=2019-01-29}}</ref><ref>{{Cite web|url=http://www.lemis.com/grog/UNIX/|title=UNIX is free!|website=www.lemis.com|access-date=2018-08-24}}</ref>
* [[Sprite (operating system)|Sprite]] from U.C Berkeley


===Non-Unix===
===Non-Unix===
* [[Accent kernel|Accent]] - the precursor of CMU Mach, for the PERQ computer
* [[Amoeba distributed operating system|Amoeba]] – research OS by [[Andrew S. Tanenbaum]]
* [[Amoeba distributed operating system|Amoeba]] – research OS by [[Andrew S. Tanenbaum]]
* [[Barrelfish (operating system)|Barrelfish]]
* [[Barrelfish (operating system)|Barrelfish]]
Line 1,022: Line 1,032:
==Hobby==
==Hobby==
{{Main|Hobbyist operating system}}
{{Main|Hobbyist operating system}}
* [https://539kernel.com/ 539kernel]<ref>{{cite web|url=https://539kernel.com/|title=A Journey in Creating an Operating System Kernel|access-date=November 25, 2025}}</ref> - a simple x86 32-bit educational kernel
* [[AROS]] – AROS Research Operating System (formerly known as Amiga Research Operating System)
* [[AROS]] – AROS Research Operating System (formerly known as Amiga Research Operating System)
* [[AtheOS]] – branched to become [[Syllable Desktop]]
* [[AtheOS]] – branched to become [[Syllable Desktop]]
Line 1,050: Line 1,061:
** [[Android (operating system)|Android]]
** [[Android (operating system)|Android]]
*** [[CalyxOS]]
*** [[CalyxOS]]
*** [[ColorOS]]
*** [[DivestOS]]
*** [[DivestOS]]
*** [[EMUI]]
*** [[EMUI]]
Line 1,094: Line 1,106:
** [[Pocket PC]] from Microsoft, a variant of Windows CE
** [[Pocket PC]] from Microsoft, a variant of Windows CE
** [[Windows Mobile]] from Microsoft, a variant of Windows CE
** [[Windows Mobile]] from Microsoft, a variant of Windows CE
** [[Windows Phone]] from Microsoft
** [[Windows Phone 7]] from Microsoft
* [[Windows Phone]] based on [[Windows NT]]
** [[Windows Phone 8]]
** [[Windows 10 Mobile]]
* DSPnano RTOS
* DSPnano RTOS
* [[iOS]]
* [[iOS]]
Line 1,118: Line 1,133:
* LCOS – by [[LANCOM Systems]]<ref>{{Cite web|title=LCOS Data-Sheet|url=https://www.lancom-systems.com//download/documentation/Data_Sheets/DS_LCOS-1040_EN.pdf}}</ref>
* LCOS – by [[LANCOM Systems]]<ref>{{Cite web|title=LCOS Data-Sheet|url=https://www.lancom-systems.com//download/documentation/Data_Sheets/DS_LCOS-1040_EN.pdf}}</ref>
* [[Linux]]
* [[Linux]]
** [[IPFire]]
** [[OpenWrt]]
** [[OpenWrt]]
*** [[DD-WRT]]
*** [[DD-WRT]]
Line 1,136: Line 1,152:
* [[PfSense|pfsense]]
* [[PfSense|pfsense]]
* [[List of wireless router firmware projects]]
* [[List of wireless router firmware projects]]
* [[HyperOS]]


===Other embedded===
===Other embedded===

Latest revision as of 21:35, 31 December 2025

Template:Short description 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

Amazon

Amiga Inc.

Amstrad

Apple

Apollo Computer, Hewlett-Packard

Atari

BAE Systems

Be Inc.

Bell Labs

Non-Unix Operating Systems:

Burroughs Corporation, Unisys

CII

Commodore International

Control Data Corporation

Lower 3000 series

  • SCOPE (Supervisory Control Of Program Execution)[1]

Upper 3000 series

  • SCOPE (Supervisory Control Of Program Execution)[2]

6x00 and related Cyber

Star-100

Multiple Console Time Sharing System (MCTS), from General Motors Research

CloudMosa

Convergent Technologies

Cromemco

Data General

Datapoint

  • CTOS Cassette Tape Operating System for the Datapoint 2200[11]
  • DOS Disk Operating System for the Datapoint 2200, 5500, and 1100[12]

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 Equipment Corporation, Compaq, Hewlett-Packard, Hewlett Packard Enterprise

ENEA AB

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

Fujitsu

GEC Computers

General Electric, Honeywell, Bull

Google

File:Foldable smartphone (Android OS).jpg
Android OS on the Samsung Galaxy Z smartphones
  • ChromiumOS is an open source operating system development version of ChromeOS. Both operating systems are based on the Linux kernel.
    • ChromeOS is designed to work exclusively with web applications, though has been updated to run Android apps with full support for Google Play Store. Announced on July 7, 2009, ChromeOS is currently publicly available and was released summer 2011. The ChromeOS source code was released on November 19, 2009, under the BSD license as ChromiumOS.
    • Container-Optimized OS (COS) is an operating system that is optimized for running Docker containers, based on ChromiumOS.[13]
  • 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 ChromeOS 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

Harris Computer Systems

Heathkit, Zenith Data Systems

Hewlett-Packard, Hewlett Packard Enterprise

  • 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

  • CP-6, CP-V work-alike for Honeywell Level/66

Huawei

Intel Corporation

  • 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.
  • iMAX 432 - an operating system for systems based on Intel's iAPX 432 architecture.

IBM

Script error: No such module "labelled list hatnote".

On early mainframes: 1410, 7010, 704, 709, 7090, 7094, 7040, 7044, 7030

On 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)
      • 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 with a Variable number of Tasks, had up to 15 application regions defined dynamically, plus additional regions for system tasks)
      • M65MP (MVT with support for a multiprocessor 360/65)
    • OS/VS (port of OS/360 targeted for the System/370 virtual memory architecture (OS/370 is not the correct name for OS/VS1 and OS/VS2.) OS/VS has the following variations:
      • OS/VS1 (Operating System/Virtual Storage 1, Virtual-memory version of OS/360 MFT II)
        • OS/VS1 Basic Programming Extensions (BPE) adds device support and VM handshaking
      • OS/VS2 (Operating System/Virtual Storage 2, Virtual-memory version of OS/360 MVT)
        • OS/VS2 R1 (Called Single Virtual Storage (SVS), Virtual-memory version of OS/360 MVT but without multiprocessing support)
        • OS/VS2 R2 through R3.8 (called Multiple Virtual Storage, MVS, eliminated most need for VS1).
          • MVS/SE (MVS System Extensions)
    • MVS/SP (MVS System Product) V1
    • MVS/370 refers to OS/VS2 MVS, MVS/SE and MVS/SP Version 1
    • MVS/XA (MVS/SP V2, supports S/370 Extended Architecture, 31-bit addressing)
    • MVS/ESA (MVS supported Enterprise Systems Architecture, horizontal addressing extensions: data only address spaces called Dataspaces)
      • MVS/SP V3
      • MVS/ESA SP V4 (a Unix environment was available for MVS/ESA SP V4R3)
      • MVS/ESA SP V5 (the UNIX environment was bundled in this and all subsequent versions)
    • OS/390 replacement for MVS/ESA SP V5 with some products bundled
    • z/OS z/Architecture replacement for OS/390 with 64-bit virtual addressing
    • Phoenix/MVS (Developed at Cambridge University)
  • 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/Advanced Functions (VSE/AF) - Additional functionality for DOS/VSE
    • VSE/SP (program product including DOS/VSE and VSE/AF)
    • VSE/ESA, replaces VSE/SP, supports ESA/370 and ESA/390 with 31-bit addresses
    • 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
    • CP-40/CMS (for System/360 Model 40)
    • CP-67/CMS (for System/360 Model 67)
    • Virtual Machine Facility/370 (VM/370) - the CP virtual machine hypervisor, Conversational Monitor System (CMS) operating system and supporting facilities for System/370 (24-bit addresses)
      • VM/370 Basic System Extensions Program Product (VM/BSE, AKA BSEPP) is an enhancement to VM/370
      • VM/370 System Extensions Program Product (VM/SE, AKA SEPP) is an enhancement to VM/370 that includes the facilities of VM/BSE
    • Virtual Machine/System Product (VM/SP) replaces VM/370, VM/BSE and VM/SE.
    • Virtual Machine/Extended Architecture (VM/XA) refers to three versions of VM that support System/370 Extended Architecture (S/370-XA) with 31-bit virtual addresses
      • Virtual Machine/Extended architecture Migration Aid (VM/XA MA) - Intended for MVS/370 to MVS/XA migration
      • Virtual Machine/Extended Architecture Systems Facility (VM/XA SF) - new release of VM/XA MA with additional functionality
      • Virtual Machine/Extended Architecture System Product (VM/XA SP) - Replaces VM/SP, VM/SP HPO and VM/XA SF
    • Virtual Machine/Enterprise Systems Architecture (VM/ESA), supports S/370, ESA/370 and ESA/390 (a Unix environment was available starting with[14] Version 2.)
    • z/VM (z/Architecture version of the VM OS with 64-bit addressing). Starting with Version 3,[15] the Unix environment was standard.

Script error: No such module "labelled list hatnote".

On 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

Script error: No such module "Labelled list hatnote".

On other hardware platforms

International Computers Limited

Jide

Jolla

KaiOS

Lynx Real-time Systems, LynuxWorks, Lynx Software Technologies

Meizu

Microsoft Corporation

MITS

  • Altair DOS – An early disk operating system for the Altair 8800 machine.Script error: No such module "Unsubst".

MontaVista

Motorola

NCR Corporation

  • TMX – Transaction Management eXecutive.
  • IMOS – Interactive Multiprogramming Operating System (circa 1978), for the NCR Century 8200 series minicomputers.[17]
  • VRX – Virtual Resource eXecutive.

NeXT

Nintendo

Novell

Open Mobile Platform

  • Aurora OS – the successor to Sailfish OS (not to be confused with a different Aurora OS)

Quadros Systems

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

RCA

  • Time Sharing Operating System (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

  • 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.
  • Orsay
  • One UI - Android skin

Scientific Data Systems (SDS)

SDS 900 series

SDS Sigma series

SCO, SCO Group

Source:[20]

  • 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

Silicon Laboratories (formerly Micrium Inc.)

  • Micrium OS - customized μC/OS-III for Silicon Laboratories's SoC products

Sinclair Research

  • Sinclair BASIC was used in the 8-bit home computers from Sinclair Research and Timex Sinclair. It was included in the ROM, and the computers booted to the Basic interpreter. Various versions exist, with the latter ones supporting disk drive operations.

Sony

SYSGO

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

Tandem Computers, Compaq, Hewlett-Packard, Hewlett Packard Enterprise

  • NonStop OS - formerly Guardian (Tandem), then NonStop Kernel, then NonStop OS; runs on HPE's NonStop line of servers

Tandy Corporation

  • TRSDOS – A floppy-disk-oriented OS supplied by Tandy/Radio Shack for their TRS-80 Z80-based line of personal computers. Eventually renamed as LS-DOS or LDOS.
  • Color BASIC – A ROM-based OS created by Microsoft for the TRS-80 Color Computer.[21]
  • NewDos/80 – A third-party OS for Tandy's TRS-80 personal computers.
  • DeskMate – Operating system created by Tandy Corporation and introduced with the Tandy 1000 computer.Script error: No such module "Unsubst".

TCSC (later NCSC)

Texas Instruments

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

TRON Project

UNIVAC, Unisys

Valve

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.

Weston Embedded Solutions

  • μC/OS-II – a small pre-emptive priority based multi-tasking kernel
  • μC/OS-III – a small pre-emptive priority based multi-tasking kernel, with unlimited number of tasks and priorities, and round-robin scheduling
  • Cesium RTOS - commercial continuation of Micrium's μC/OS-III forked from the open-sources release

Wind River Systems

  • VxWorks – Small footprint, scalable, high-performance RTOS for embedded microprocessor based systems.[22]

Zilog

Other

Lisp-based

For Elektronika BK

Non-standard language-based

  • Pilot operating system – written in the Mesa language and used on Xerox Star workstations.
  • PERQ Operating System (POS) – written in PERQ Pascal.

Other proprietary non-Unix-like

Other proprietary Unix-like and POSIX-compliant

Non-proprietary

Unix or Unix-like

Non-Unix

Research

Unix or Unix-like

Non-Unix

Disk operating systems (DOS)

Script error: No such module "Labelled list hatnote".

  • 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 (MS-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 MS-DOS compatible operating systems

Network operating systems

Script error: No such module "Labelled list hatnote".

Generic, commodity, and other

Hobby

Script error: No such module "Labelled list hatnote".

Embedded

Mobile operating systems

Script error: No such module "Labelled list hatnote".

Routers

Other embedded

LEGO Mindstorms

Capability-based

See also

Category links

References

<templatestyles src="Reflist/styles.css" />

  1. ↑ Script error: No such module "citation/CS1".
  2. ↑ Script error: No such module "citation/CS1".
  3. ↑ Script error: No such module "citation/CS1".
  4. ↑ Script error: No such module "citation/CS1".
  5. ↑ Script error: No such module "citation/CS1".
  6. ↑ Script error: No such module "citation/CS1".
  7. ↑ Script error: No such module "citation/CS1".
  8. ↑ Script error: No such module "citation/CS1".
  9. ↑ Script error: No such module "citation/CS1".
  10. ↑ Script error: No such module "citation/CS1".
  11. ↑ Script error: No such module "citation/CS1".
  12. ↑ Script error: No such module "citation/CS1".
  13. ↑ Script error: No such module "citation/CS1".
  14. ↑ {{cite web } title = Availability: VM/ESA Version 2 Release 1.0 with OpenEdition for VM/ESA | id = 295-240 | date = June 12, 1995 | series = Announcement letters | url = https://www.ibm.com/docs/en/announcements/archive/ENUS295-240 | publisher = IBM | access-date = March 29, 2024 }}
  15. ↑ Script error: No such module "citation/CS1".
  16. ↑ Script error: No such module "citation/CS1".
  17. ↑ Script error: No such module "citation/CS1".
  18. ↑ Script error: No such module "citation/CS1".
  19. ↑ Script error: No such module "Citation/CS1".
  20. ↑ Script error: No such module "citation/CS1".
  21. ↑ Script error: No such module "citation/CS1".
  22. ↑ a b Script error: No such module "citation/CS1".
  23. ↑ Script error: No such module "citation/CS1".
  24. ↑ Script error: No such module "Citation/CS1".
  25. ↑ Script error: No such module "citation/CS1".
  26. ↑ Script error: No such module "citation/CS1".
  27. ↑ Script error: No such module "citation/CS1".
  28. ↑ Script error: No such module "citation/CS1".
  29. ↑ Script error: No such module "citation/CS1".
  30. ↑ Script error: No such module "citation/CS1".
  31. ↑ Script error: No such module "citation/CS1".
  32. ↑ Script error: No such module "citation/CS1".
  33. ↑ Script error: No such module "citation/CS1".
  34. ↑ Script error: No such module "citation/CS1".
  35. ↑ Script error: No such module "citation/CS1".
  36. ↑ Script error: No such module "citation/CS1".
  37. ↑ a b Script error: No such module "citation/CS1".
  38. ↑ "Despite its name suggesting some similarity to Unix, Xinu is a different type of operating system, written with no knowledge of the Unix source code, or compatibility goals. It uses different abstractions, and system calls, some with names matching those of Unix, but different semantics." Garfinkel, Simson; Spafford, Gene; Schwartz, Alan (2003). Practical UNIX and Internet Security. O'Reilly. p. 19.
  39. ↑ Script error: No such module "citation/CS1".
  40. ↑ "JNode 0.2.8 Released", Thom Holwerda, OSNews, 4 February 2009.
  41. ↑ Jnode: Java New Operating System Design Effort Template:Webarchive, jnode.org. Retrieved 24 July 2014.
  42. ↑ Script error: No such module "citation/CS1".
  43. ↑ Script error: No such module "citation/CS1".
  44. ↑ Script error: No such module "citation/CS1".
  45. ↑ Script error: No such module "citation/CS1".
  46. ↑ Script error: No such module "citation/CS1".
  47. ↑ Script error: No such module "citation/CS1".
  48. ↑ Script error: No such module "citation/CS1".
  49. ↑ Script error: No such module "citation/CS1".
  50. ↑ Script error: No such module "citation/CS1".
  51. ↑ Script error: No such module "citation/CS1".
  52. ↑ Script error: No such module "citation/CS1".
  53. ↑ Script error: No such module "citation/CS1".

Script error: No such module "Check for unknown parameters".

External links

Template:Operating system

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