Hp Operating System

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Hp Laptop Operating System Download
Hp Operating System Download

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.

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1Proprietary
- 1.29IBM
- 1.57Other
2Non-proprietary
3Research
8Embedded
10See also

Proprietary[edit]

Acorn Computers[edit]

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Amiga Inc.[edit]

AmigaOS
- AmigaOS 1.0-3.9 (Motorola 68000)
- AmigaOS 4 (PowerPC)
Amiga Unix (a.k.a. Amix)

Amstrad[edit]

Apple Inc.[edit]

Apple II family
Apple III
Apple Macintosh
- A/UX (UNIX System V with BSD extensions)
- macOS (formerly Mac OS X and OS X)
  - macOS Server (formerly Mac OS X Server and OS X Server)
Apple Network Server
- IBM AIX (Apple-customized)
Apple MessagePad
iPhone and iPod Touch
- iOS (formerly iPhone OS)
iPad
Apple Watch
Apple TV
Embedded operating systems
- iPod software (unnamed embedded OS for iPod)
- Unnamed NetBSD variant for Airport Extreme and Time Capsule

Apollo Computer[edit]

Domain/OS – One of the first network-based systems. Run on Apollo/Domain hardware. Later bought by Hewlett-Packard.

Atari[edit]

Atari DOS (for 8-bit computers)
Contiki (for 8-bit, ST, Portfolio)

BAE Systems[edit]

Be Inc.[edit]

BeOS
- BeOS r5.1d0
  - magnussoft ZETA (based on BeOS r5.1d0 source code, developed by yellowTAB)

Bell Labs[edit]

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 Unix family of operating systems)
- UNIX Time-Sharing System v1
- UNIX Time-Sharing System v2
- UNIX Time-Sharing System v3
- UNIX Time-Sharing System v4
- UNIX Time-Sharing System v5
- UNIX Time-Sharing System v6
  - MINI-UNIX
  - PWB/UNIX
    - USG
- UNIX Time-Sharing System v7 (It is from Version 7 Unix (and, to an extent, its descendants listed below) that almost all Unix-based and Unix-like operating systems descend.)
  - Unix System IV
  - Unix System V
    - Unix System V Releases 2.0, 3.0, 3.2, 4.0, and 4.2

Non-Unix Operating Systems:

Burroughs Corporation, Unisys[edit]

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)^{[citation needed]}
EP/IX (Enhanced Performance Unix)^{[citation needed]}

Convergent Technologies[edit]

Convergent Technologies Operating System – later acquired by Unisys

Cromemco[edit]

Cromemco DOS (CDOS) – a Disk Operating system compatible with CP/M
Cromix – a multitasking, multi-user, Unix-like OS for Cromemco microcomputers with Z80A and/or 68000 CPU

Data General[edit]

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

DataPoint[edit]

CTOS Z-80 based, Cassette Tape Operating System for early desktop systems. Capable of up to 8 simultaneous users. Replaced by DOS.^{[citation needed]}
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.^{[citation needed]}

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]

CP/M
- CP/M CP/M for Intel 8080/8085 and Zilog Z80
  - Personal CP/M, a refinement of CP/M
  - CP/M Plus with BDOS 3.0
- CP/M-68K CP/M for Motorola 68000
- CP/M-8000 CP/M for Zilog Z8000
- CP/M-86 CP/M for Intel 8088/8086
- MP/M Multi-user version of CP/M-80
- MP/M-86 Multi-user version of CP/M-86
  - MP/M 8-16, a dual-processor variant of MP/M for 8086 and 8080 CPUs.
- Concurrent CP/M, the successor of CP/M-80 and MP/M-80
- Concurrent CP/M-86, the successor of CP/M-86 and MP/M-86
  - Concurrent CP/M 8-16, a dual-processor variant of Concurrent CP/M for 8086 and 8080 CPUs.
- Concurrent CP/M-68K, a variant for the 68000
DOS
- Concurrent DOS, the successor of Concurrent CP/M-86 with PC-MODE
  - Concurrent PC DOS, a Concurrent DOS variant for IBM compatible PCs
  - Concurrent DOS 8-16, a dual-processor variant of Concurrent DOS for 8086 and 8080 CPUs
  - Concurrent DOS XM, a real-mode variant of Concurrent DOS with EEMS support
  - Concurrent DOS 386
    - Concurrent DOS 386/MGE, a Concurrent DOS 386 variant with advanced graphics terminal capabilities
- Concurrent DOS 68K, a port of Concurrent DOS to Motorola 68000 CPUs with DOS source code portability capabilities
- FlexOS 1.0 – 2.34, a derivative of Concurrent DOS 286
  - FlexOS 186, a variant of FlexOS for terminals
  - FlexOS 286, a variant of FlexOS for hosts
    - Siemens S5-DOS/MT, an industrial control system based on FlexOS
    - IBM 4680 OS, a POS operating system based on FlexOS
    - IBM 4690 OS, a POS operating system based on FlexOS
      - Toshiba 4690 OS, a POS operating system based on IBM 4690 OS and FlexOS
  - FlexOS 386, a later variant of FlexOS for hosts
    - IBM 4690 OS, a POS operating system based on FlexOS
      - Toshiba 4690 OS, a POS operating system based on IBM 4690 OS and FlexOS
  - FlexOS 68K, a derivative of Concurrent DOS 68K
- Multiuser DOS, the successor of Concurrent DOS 386
  - Datapac Multiuser DOS
    - Datapac System Manager, a derivative of Datapac Multiuser DOS
  - IMS Multiuser DOS
    - IMS REAL/32, a derivative of Multiuser DOS
      - IMS REAL/NG, the successor of REAL/32
- DOS Plus 1.1 – 2.1, a single-user, multi-tasking system derived from Concurrent DOS 4.1 – 5.0
- DR-DOS 3.31 – 6.0, a single-user, single-tasking native DOS derived from Concurrent DOS 6.0
  - Novell PalmDOS 1.0
  - Novell 'Star Trek'
  - Novell DOS 7, a single-user, multi-tasking system derived from DR DOS
  - Caldera OpenDOS 7.01
  - Caldera DR-DOS 7.02 and higher

Digital Equipment Corporation, Tandem Computers, Compaq, Hewlett-Packard[edit]

Domain/OS – originally Aegis, from Apollo Computer who were bought by HP
Multi-Programming Executive – from HP
RSTS/E – multi-user time-sharing OS for PDP-11s
RSX-11 – multiuser, multitasking OS for PDP-11s
RT-11 – single user OS for PDP-11
TOPS-10 – for the PDP-10
TENEX – an ancestor of TOPS-20 from BBN, for the PDP-10
TOPS-20 – for the PDP-10
Digital UNIX – derived from OSF/1, became HP's Tru64 UNIX
VMS – originally by DEC and HP now by VMS Software Inc.) for the VAX mini-computer range, Alpha and Intel Itanium i2 and i4; later renamed OpenVMS
WAITS – for the PDP-6 and PDP-10

ENEA AB[edit]

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

Fujitsu[edit]

General Electric, Honeywell, Bull[edit]

Google[edit]

Android 4.0.1 ('Ice Cream Sandwich') on the Galaxy Nexus

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.
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.
Goobuntu, 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'.

Green Hills Software[edit]

INTEGRITY – Reliable Operating system
INTEGRITY-178B – A DO-178B certified version of INTEGRITY.
µ-velOSity – A lightweight microkernel.

Heathkit, Zenith Data Systems[edit]

HDOS – ran on the H8 and Heath/Zenith Z-89 series
HT-11 – a modified version of RT-11 that ran on the Heathkit H11

Hewlett-Packard[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)
NonStop OS – runs on HP's NonStop line of Itanium servers

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]

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

BESYS – for the IBM 7090
Compatible Time-Sharing System (CTSS) – developed at MIT's Computation Center for use on a modified IBM 7094
GM OS & GM-NAA I/O – for the IBM 704
IBSYS – tape based operating system for IBM 7090 and IBM 7094
IJMON – A bootable serial I/O monitor for loading programs for the IBM 1400 series^{[citation needed]}
SHARE Operating System (SOS) – for the IBM 704 and 709
University of Michigan Executive System (UMES) – for the IBM 704, 709, and 7090)

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/370virtual 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)
    - OS/VS2 R2 (called Multiple Virtual Storage, MVS, eliminated most need for VS1)
- 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
- CP-40/CMS (for System/360 Model 40)
- CP-67/CMS (for System/360 Model 67)
- VM/370 (Virtual Machine / Conversational Monitor System, virtual memory operating system for System/370)
- VM/XA (VM/eXtended Architecture for System/370 with extended virtual memory)
- VM/ESA (Virtual Machine / Extended System Architecture, added 31-bit addressing to VM series)
- z/VM (z/Architecture version of the VM OS with 64-bit addressing)

TPF Line (Transaction Processing Facility) on IBM S/360, S/370, and successor mainframes (largely used by airlines)
- ACP (Airline Control Program)
- TPF (Transaction Processing Facility)
- z/TPF (z/Architecture extension)
Unix-like on IBM S/360, S/370, and successor mainframes
- AIX/370 (IBM's Advanced Interactive eXecutive, a System V Unix version)
- AIX/ESA (IBM's Advanced Interactive eXecutive, a System V Unix version)
- UTS (developed by Amdahl)
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)^[1]
- 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

OS/2
- OS/2 1.x (developed jointly with Microsoft)
- OS/2 2.x
- OS/2 Warp 3 (ported to PPC via Workplace OS)
- OS/2 Warp 4
- eComStation (Warp 4.5/Workspace on Demand, rebundled by Serenity Systems International)
IBM 4680 OS version 1 to 4, a POS operating system based on Digital Research's Concurrent DOS 286 and FlexOS 286 1.xx
- IBM 4690 OS version 1 to 6.3, a successor to 4680 OS based on Novell's FlexOS 286/FlexOS 386 2.3x
  - Toshiba 4690 OS version 6.4, a successor to 4690 OS 6.3
Unix-like on PS/2
- AIX (IBM's Advanced Interactive eXecutive, a System V Unix version)

On other hardware platforms[edit]

IBM Series/1
- EDX (Event Driven Executive)
- RPS (Realtime Programming System)
- CPS (Control Programming Support, subset of RPS)
- SerIX (Unix on Series/1)
IBM 1130
- DMS (Disk Monitor System)
IBM 1800
- TSX (Time Sharing eXecutive)
- MPX (Multi Programming eXecutive)
IBM 8100
- DPCX (Distributed Processing Control eXecutive)
- DPPX (Distributed Processing Programming Executive)
IBM System/3
- DMS (Disk Management System)
IBM System/34, IBM System/36
- SSP (System Support Program)
IBM System/38
- CPF (Control Program Facility)
IBM System/88
- Stratus VOS (developed by Stratus, and used for IBM System/88, Original equipment manufacturer from Stratus)
AS/400, iSeries, System i, Power Systems i Edition
- OS/400 (descendant of System/38 CPF, include System/36 SSP environment)
- i5/OS (extends OS/400 with significant interoperability features)
- IBM i (extends i5/OS)
UNIX on IBM RT PC
- AOS (a BSD Unix version, not related to Data General AOS)
- AIX (Advanced Interactive eXecutive, a System V Unix version)
UNIX on POWER ISA, PowerPC, and Power ISA
- AIX (Advanced Interactive eXecutive, a System V Unix version)
Others
- Workplace OS (a Microkernel based operating system including OS/2, developed and canceled in the 1990s)
- K42 (open-source research operating system on PowerPC or x86 based cache-coherent multiprocessor systems)
- Dynix (developed by Sequent, and used for IBM NUMA-Q too)

International Computers Limited[edit]

J and MultiJob – for the System 4 series mainframes
GEORGE 2/3/4 GEneral ORGanisational Environment – used by ICL1900 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]

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]

Xenix (licensed version of Unix; licensed to SCO in 1987)
MSX-DOS (developed by MS Japan for the MSX 8-bit computer)
MS-DOS (developed jointly with IBM, versions 1.0–6.22)
Windows (16-bit and 32-bit preemptive and cooperative multitasking, running atop MS-DOS)
- Windows 1.0 (Windows 1)
- Windows 2.0 (Windows 2 – separate version for i386 processor)
- Windows 3.0 (Windows 3)
- Windows 3.1x (Windows 3.1)
- Windows for Workgroups 3.1 (Codename Snowball)
- Windows 3.2 (Chinese-only release)
- Windows 95 (codename Chicago – Windows 4.0)
- Windows 98 (codename Memphis – Windows 4.1)
- Windows Millennium Edition (Windows ME – Windows 4.9)
Windows NT (Full 32-bit or 64-bit kernel, not dependent on MS-DOS)
- Windows 2000 (Windows NT 5.0)
- Windows XP (Windows NT 5.1)
- Windows Server 2003 (Windows NT 5.2)
- Windows Fundamentals for Legacy PCs (based on Windows XP)
- Windows Vista (Windows NT 6.0)
- Windows Azure (Cloud OS Platform) 2009
- Windows Home Server (based on Windows Server 2003)
- Windows Server 2008 (based on Windows Vista)
- Windows 7 (Windows NT 6.1)
- Windows Server 2008 R2 (based on Windows 7)
- Windows Home Server 2011 (based on Windows Server 2008 R2)
- Windows Server 2012 (based on Windows 8)
- Windows 8 (Windows NT 6.2)
- Windows 8.1 (Windows NT 6.3)
- Windows Server 2012 R2 (based on Windows 8.1)
- Windows 10 (Windows NT 10)
Windows CE (OS for handhelds, embedded devices, and real-time applications that is similar to other versions of Windows)
- Windows Mobile (based on Windows CE, but for a smaller form factor)
Singularity – A research operating system written mostly in managed code (C#)
Midori – A managed code operating system

MITS[edit]

Altair DOS – An early disk operating system for the Altair 8800 machine.^{[citation needed]}

MontaVista[edit]

MontaVista Mobilinux

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]

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
- Novell 'SuperNOS' – a never released merge of NetWare and UnixWare
Novell 'Corsair'
Open Enterprise Server – the successor to NetWare

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]

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.

SCO, SCO Group^[2][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]

Berkeley Timesharing System for the SDS 940

SYSGO[edit]

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

Tandy Corporation[edit]

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.^{[citation needed]}
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.^{[citation needed]}

TCSC (later NCSC)[edit]

Edos – enhanced version of IBM's DOS/360 (and later DOS/VS and DOS/VSE) operating system for System/360 and System/370 IBM mainframes

Texas Instruments[edit]

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

TRON Project[edit]

TRON – open real-time operating systemkernel

UNIVAC, Unisys[edit]

EXEC 8/OS 1100/OS 2200
VS/9, successor to RCA TSOS

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.^[3]

Zilog[edit]

Zorin Group[edit]

Other[edit]

Lisp-based[edit]

Lisp Machines, Inc. (also known as LMI) used an operating system written in MIT's Lisp Machine Lisp.
SymbolicsGenera written in a systems dialect of the Lisp programming language called ZetaLisp and Symbolics Common Lisp. Genera was ported to a virtual machine for the DEC Alpha line of computers.
Texas Instruments' Explorer Lisp machine workstations also had systems code written in Lisp Machine Lisp.
Xerox 1100 series of Lisp machines used an operating system also written in Interlisp, and was also ported to a virtual machine called 'Medley.'

For Elektronika BK[edit]

Non-standard language-based[edit]

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

Other proprietary non-Unix-like[edit]

Эльбрус-1 (Elbrus-1) and Эльбрус-2 – used for application, job control, system programming,^[4] implemented in uЭль-76 (AL-76).
EOS – developed by ETA Systems for use in their ETA-10 line of supercomputers
EMBOS – developed by Elxsi for use on their mini-supercomputers
GCOS – a proprietary Operating System originally developed by General Electric
MAI Basic Four – An OS implementing Business Basic from MAI Systems.
Michigan Terminal System – Developed by a group of universities in the US, Canada, and the UK for use on the IBM System/360 Model 67, the System/370 series, and compatible mainframes
MUSIC/SP – an operating system developed for the S/370, running normally under VM
OS ES – an operating system for ES EVM
PC-MOS/386 – DOS-like, but multiuser/multitasking
Prolog-Dispatcher – used to control Soviet Buran space ship.
SINTRAN III – an operating system used with Norsk Data computers.
SkyOS – commercial desktop OS for PCs
TSX-32 – a 32-bit operating system for x86 platform.
TX990/TXDS, DX10 and DNOS – proprietary operating systems for TI-990 minicomputers

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

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)
Coherent (Unix-like OS from Mark Williams Co. for PC class computers)
DC/OSx (DataCenter/OSx—an operating system developed by Pyramid Technology for its MIPS-based systems)
DG/UX (Data General Corp)
DNIX from DIAB
DSPnano RTOS (POSIX nanokernel, DSP Optimized, Open Source)
HeliOS developed and sold by Perihelion Software mainly for transputer-based systems
Interactive Unix (a port of the UNIX System Voperating system for Intel x86 by Interactive Systems Corporation)
IRIX from SGI
NeXTSTEP (developed by NeXT; a Unix-based OS based on the Mach microkernel)
OS-9Unix-likeRTOS. (OS from Microware for Motorola 6809 based microcomputers)
OS9/68K Unix-likeRTOS. (OS from Microware for Motorola 680x0 based microcomputers; based on OS-9)
OS-9000Unix-likeRTOS. (OS from Microware for Intel x86 based microcomputers; based on OS-9, written in C)
OSF/1 (developed into a commercial offering by Digital Equipment Corporation)
QNX (POSIX, microkernel OS; usually a real time embedded OS)
Rhapsody (an early form of Mac OS X)
RISC iX – derived from BSD 4.3, by Acorn computers, for their ARM family of machines
RISC/os (a port by MIPS Technologies of 4.3BSD for its MIPS-based computers)
SCO UNIX (from SCO, bought by Caldera who renamed themselves SCO Group)
SINIX (a port by SNI of Unix to the MIPS architecture)
Solaris (from Sun, bought by Oracle; a System V-based replacement for SunOS)
SunOS (BSD-based Unix system used on early Sun hardware)
SUPER-UX (a port of System V Release 4.2MP with features adopted from BSD and Linux for NECSX architecturesupercomputers)
System V (a release of AT&T Unix, 'SVR4' was the 4th minor release)
System V/AT, 386 (The first version of AT&T System V UNIX on the IBM 286 and 386 PCs, ported and sold by Microport)
Trusted Solaris (Solaris with kernel and other enhancements to support multilevel security)
UniFLEX (Unix-like OS from TSC for DMA-capable, extended addresses, Motorola 6809 based computers; e.g. SWTPC, GIMIX and others)
Unicos (the version of Unix designed for Cray Supercomputers, mainly geared to vector calculations)
UTX-32 (Developed by Gould CSD (Computer System Division), a Unix-based OS that included both BSD and System V characteristics. It was one of the first Unix based systems to receive NSA's C2 security level certification.)^{[citation needed]}
Zenix, Zenith corporations Unix (a popular USA electronics maker at the time)^{[citation needed]}

Non-proprietary[edit]

Unix or Unix-like[edit]

MINIX (study OS developed by Andrew S. Tanenbaum in the Netherlands)
BSD (Berkeley Software Distribution, a variant of Unix for DECVAX hardware)
- FreeBSD (one of the outgrowths of UC Regents' abandonment of CSRG's 'BSD Unix')
  - DragonFlyBSD, forked from FreeBSD 4.8
  - MidnightBSD, forked from FreeBSD 6.1
  - TrueOS (previously known as PC-BSD)
- NetBSD (an embedded device BSD variant)
  - OpenBSD forked from NetBSD
    - Bitrig forked from OpenBSD
- Darwin, created by Apple using code from NeXTSTEP, FreeBSD, and NetBSD
GNU (also known as GNU/Hurd)
Linux (see also List of Linux distributions) (alleged to be GNU/Linux^[5] see GNU/Linux naming controversy)
Redox (written in Rust)^[6]
Android^[7]
- Android-x86
OpenSolaris
- illumos, contains original Unix (SVR4) code derived from the OpenSolaris (discontinued by Oracle in favor of Solaris 11 Express)
  - OpenIndiana, operates under the illumos Foundation. Uses the illumos kernel, which is a derivative of OS/Net, which is basically an OpenSolaris/Solaris kernel with the bulk of the drivers, core libraries, and basic utilities.
  - Nexenta OS, based on the illumos kernel with Ubuntu packages
  - SmartOS, an illumos distribution for cloud computing with Kernel-based Virtual Machine integration.
RTEMS (Real-Time Executive for Multiprocessor Systems)
Haiku (open source inspired by BeOS, under development)
Plurix (or Tropix^[8]) (By Federal University of Rio de Janeiro - UFRJ)
TUNIS (University of Toronto)

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++
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]

Plan 9 from Bell Labs – distributed OS developed at Bell Labs, based on original Unix design principles yet functionally different and going much further
- Inferno – distributed OS derived from Plan 9, originally from Bell Labs
Research Unix^[9]^[10]

Non-Unix[edit]

Amoeba – research OS by Andrew S. Tanenbaum
EROS – microkernel, capability-based
- CapROS – microkernel EROS successor
HelenOS – research and experimental operating system
House – Haskell User's Operating System and Environment, research OS written in Haskell and C
ILIOS – Research OS designed for routing
L4 – second generation microkernel
Mach – from OS kernel research at Carnegie Mellon University; see NeXTSTEP
Nemesis – Cambridge University research OS – detailed quality of service abilities
Spring – research OS from Sun Microsystems
THE multiprogramming system – by Dijkstra in 1968, at the Eindhoven University of Technology in the Netherlands, introduced the first form of software-based memory segmentation, freeing programmers from being forced to use actual physical locations
V – from Stanford, early 1980s^[11]
Xinu – Study OS developed by Douglas E. Comer in the United States^[12]

Disk operating systems (DOS)[edit]

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
    - FlexOS 1.00-2.34 (derivative of Concurrent DOS 286)
      - FlexOS 186 (variant of FlexOS for terminals)
      - FlexOS 286 (variant of FlexOS for hosts)
        Siemens S5-DOS/MT (industrial control system based on FlexOS)
        IBM 4680 OS (POS operating system based on FlexOS)
        IBM 4690 OS (POS operating system based on FlexOS)
        Toshiba 4690 OS (POS operating system based on IBM 4690 OS and FlexOS)
      - FlexOS 386 (later variant of FlexOS for hosts)
        IBM 4690 OS (POS operating system based on FlexOS)
        Toshiba 4690 OS (POS operating system based on IBM 4690 OS and FlexOS)
  - Concurrent DOS 386 1.0, 1.1, 2.0, 3.0 (BDOS 5.0-6.2)
    - Concurrent DOS 386/MGE (Concurrent DOS 386 variant with advanced graphics terminal capabilities)
    - Multiuser DOS 5.0, 5.01, 5.1 (BDOS 6.3-6.6) (successor of Concurrent DOS 386)
      - CCI Multiuser DOS 5.0-7.22 (up to BDOS 6.6)
      - Datapac Multiuser DOS
        Datapac System Manager 7 (derivative of Datapac Multiuser DOS)
      - IMS Multiuser DOS 5.1, 7.0, 7.1 (BDOS 6.6-6.7)
        IMS REAL/32 7.50, 7.51, 7.52, 7.53, 7.54, 7.60, 7.61, 7.62, 7.63, 7.70, 7.71, 7.72, 7.73, 7.74, 7.80, 7.81, 7.82, 7.83, 7.90, 7.91, 7.92, 7.93, 7.94, 7.95 (BDOS 6.8 and higher) (derivative of Multiuser DOS)
        IMS REAL/NG (successor of REAL/32)
  - 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)
        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
- DESQview + QEMM 386 multi-tasking user interface for DOS
- DESQView/X (X-windowing GUI for DOS)

Network operating systems[edit]

Banyan VINES – by Banyan Systems
Cisco IOS – by Cisco Systems
Cisco NX-OS – previously SAN-OS
CTOS – by Convergent Technologies, later acquired by Unisys
Data ONTAP – by NetApp
ExtremeWare – by Extreme Networks
ExtremeXOS – by Extreme Networks
Fabric OS – by Brocade
JunOS – by Juniper
NetWare – networking OS by Novell
Network operating system (NOS) – developed by CDC for use in their Cyber line of supercomputers
Novell Open Enterprise Server – Open Source networking OS by Novell. Can incorporate either SUSE Linux or Novell NetWare as its kernel
Plan 9 – distributed OS developed at Bell Labs, based on Unix design principles but not functionally identical
- Inferno – distributed OS derived from Plan 9, originally from Bell Labs
TurboDOS – by Software 2000, Inc.

Generic, commodity, and other[edit]

Bluebottle also known as AOS (a concurrent and active object update to the Oberon operating system)
BS1000 by Siemens AG
BS2000 by Siemens AG, now BS2000/OSD from Fujitsu-Siemens Computers (formerly Siemens Nixdorf Informationssysteme)
BS3000 by Siemens AG (functionally similar to OS-IV and MSP from Fujitsu)
Contiki for various, mostly 8-bit systems, including the Apple II series, the Atari 8-bit family, and some Commodore machines.
FLEX9 (by TSC for Motorola 6809 based machines; successor to FLEX, which was for Motorola 6800 CPUs)
GEM (windowing GUI for CP/M, DOS, and Atari TOS)
GEOS (popular windowing GUI for PC, Commodore, Apple computers)
JNode (Java New Operating System Design Effort), written 99% in Java (native compiled), provides own JVM and JIT compiler. Based on GNU Classpath.^[13]^[14]
JX Java operating system that focuses on a flexible and robust operating system architecture developed as an open source system by the University of Erlangen.
KERNAL (default OS on Commodore 64)
MERLIN for the Corvus Concept
MorphOS (Amiga compatible)
MSP by Fujitsu (successor to OS-IV), now MSP/EX,^[15] also known as Extended System Architecture (EXA), for 31-bit mode
NetWare (networking OS by Novell)
Oberon (operating system) (developed at ETH-Zürich by Niklaus Wirth et al.) for the Ceres and Chameleon workstation projects
OSD/XC by Fujitsu-Siemens (BS2000 ported to an emulation on a Sun SPARC platform)
OS-IV by Fujitsu (based on early versions of IBM's MVS)
Pick (often licensed and renamed)
PRIMOS by Prime Computer (sometimes spelled PR1MOS and PR1ME)
Sinclair QDOS (multitasking for the Sinclair QL computer)
SSB-DOS (by TSC for Smoke Signal Broadcasting; a variant of FLEX in most respects)
SymbOS (GUI based multitasking operating system for Z80 computers)
Symobi (GUI based modern micro-kernel OS for x86, ARM and PowerPC processors, developed by Miray Software; used and developed further at Technical University of Munich)
TripOS, 1978
TurboDOS (Software 2000, Inc.)
UCSD p-System (portable complete programming environment/operating system/virtual machine developed by a long running student project at UCSD; directed by Prof Kenneth Bowles; written in Pascal)
VOS by Stratus Technologies with strong influence from Multics
VOS3 by Hitachi for its IBM-compatible mainframes, based on IBM's MVS
VM2000 by Siemens AG
Visi On (first GUI for early PC machines; not commercially successful)
VPS/VM (IBM based, main operating system at Boston University for over 10 years.)

Hobby[edit]

AROS – AROS Research Operating System (formerly known as Amiga Research Operating System)
AtheOS – branched to become Syllable Desktop
- Syllable Desktop – a modern, independently originated OS; see AtheOS
DexOS – 32-bit operating system written in x86 assembly
EROS – Extremely Reliable Operating System
HelenOS – based on a preemptible microkernel design
MenuetOS – extremely compact OS with GUI, written entirely in FASM assembly language
- KolibriOS – a fork of MenuetOS
ToaruOS

Embedded[edit]

Mobile operating systems[edit]

Routers[edit]

CatOS – by Cisco Systems
Cisco IOS – originally Internetwork Operating System by Cisco Systems
Inferno – distributed OS originally from Bell Labs
IOS-XR – by Cisco Systems
JunOS – by Juniper Networks
Linux
- OpenWrt
RTOS – by Force10 Networks
FreeBSD

Other embedded[edit]

Nucleus RTOS^[17]
OpenEmbedded (or Yocto Project)
pSOS (Portable Software On Silicon)
QNX – Unix-like real-time operating system, aimed primarily at the embedded systems market.^[18]
REX OS – microkernel OS; usually an embedded cell phone OS
Windows IoT – formerly Windows Embedded
- Windows IoT Core
- Windows IoT Enterprise
Wind River VxWorks – Small footprint, scalable, high-performance RTOS for embedded microprocessor based systems.^[3]
Wombat OS – microkernel OS; usually a real time embedded OS

LEGO Mindstorms[edit]

Capability-based[edit]

Cambridge CAP computer – operating system demonstrated the use of security capabilities, both in hardware and software, also a useful fileserver, implemented in ALGOL 68C
Flex machine – Custom microprogrammable hardware, with an operating system, (modular) compiler, editor, * garbage collector and filing system all written in ALGOL 68.
HYDRA – Running on the C.mmp computer at Carnegie Mellon University, implemented in the programming language BLISS^[19]
KeyKOS nanokernel
- EROS microkernel
  - CapROS EROS successor
V – from Stanford, early 1980s^[11]

References[edit]

^'RTOS: extending OS/360 for real time spaceflight control', J. L. Johnstone, in AFIPS '69 (Spring) Proceedings of the May 14–16, 1969, spring joint computer conference, pages 15-27.
^'SCO History by William Bader'. Retrieved 2010-03-12.
^ ^a^b'VxWorks'. www.windriver.com.
^'Эльбрус Бабаяна и Pentium Пентковского'. Ixbt.com. Retrieved 2013-09-21.
^'gnu.org'. www.gnu.org. Retrieved 2018-08-24.
^'Redox - Your Next(Gen) OS - Redox - Your Next(Gen) OS'. www.redox-os.org.
^'What a Year for Linux: Please Join us in Celebration The Linux Foundation'. 2014-04-17. Retrieved 2018-08-24.
^'TROPIX: Distribuição e Instalação'. www.tropix.nce.ufrj.br. Retrieved 2018-08-24.
^'Caldera license'(PDF). 2002-01-23. Retrieved 2019-01-29.
^'UNIX is free!'. www.lemis.com. Retrieved 2018-08-24.
^ ^a^b'Capability-Based Computer Systems'(PDF). Cs.washington.edu. Retrieved 2013-09-21.
^'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.
^'JNode 0.2.8 Released', Thom Holwerda, OSNews, 4 February 2009.
^Jnode: Java New Operating System Design Effort, jnode.org. Retrieved 24 July 2014.
^'Fujitsu Extended System Architecture (EXA) Operating System'(PDF). Fujitsu.com. Retrieved 2013-09-21.
^'HP News - LG Electronics Acquires webOS from HP to Enhance Smart TV'. .hp.com. 2013-02-25. Retrieved 2013-09-21.
^'Mentor Nucleus RTOS'.
^'QNX operating systems, development tools, and professional services for connected embedded systems'. www.qnx.com.
^Wulf, William A.; Harbison, Samual P. 'Reflections in a pool of processors - An experience report on C.mmp/Hydra'(PDF). University of Auckland. p. 945. Retrieved 2013-09-21.