Software:List of disk operating systems called DOS

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This is a list of disk operating systems with the acronym DOS as part of the name (e.g., TRSDOS for the TRS-80 line of computers). Many are (or were in the day) called simply DOS within the context of their respective user communities. In the case of MS-DOS, its ubiquitousness as the operating system for IBM PC compatibles, prior to Windows 95, caused DOS to be widely used as a synonym for MS-DOS.

For IBM PC compatible systems

In chronological order of release:

  • IBM PC DOS (1981), operating system developed by Microsoft based on 86-DOS
  • MS-DOS, Microsoft's rebranded version sold under its own name. MS-DOS and IBM PC DOS were almost identical until PC DOS version 6.
  • DR-DOS (1988), MS-DOS-compatible operating system originally developed by Digital Research
  • ROM-DOS (1989), MS-DOS clone by Datalight
  • PTS-DOS (1993), MS-DOS clone developed in Russia by PhysTechSoft
  • FreeDOS (1994), open source MS-DOS clone
  • MiniVMDOS[1] (2025), MS-DOS, PC-DOS, DR-DOS compatible system developed by PTSource

For other x86 systems

In alphabetical order:

  • 86-DOS (a.k.a. QDOS, created 1980), an operating system developed by Seattle Computer Products for its 8086-based S-100 computer kit, heavily inspired by CP/M
  • Concurrent DOS (a.k.a. CDOS, Concurrent PC DOS and CPCDOS) (since 1983), a CP/M-86 and MS-DOS 2.11 compatible multiuser, multitasking DOS, based on Concurrent CP/M-86 developed by Digital Research
  • DOS Plus (since 1985), a PC DOS and CP/M-86 compatible multitasking operating system for early x86-based personal computers, based on Concurrent PC DOS 4.1/5.0 by Digital Research
  • Multiuser DOS (a.k.a. MDOS), a PC DOS and CP/M-86 compatible multiuser multitasking operating system based on Concurrent DOS by Digital Research
  • NetWare PalmDOS, a successor of DR DOS 6.0 specifically tailored for early mobile and palmtop PCs by Novell
  • Novell DOS, a multitasking successor of DR DOS 6.0 by Novell
  • OpenDOS, a successor of Novell DOS by Caldera

For Atari 8-bit computers

In alphabetical order:

For other platforms

In alphabetical order:

  • AmigaDOS, disk operating system portion of AmigaOS
  • AMSDOS, for Amstrad CPC compatibles
  • ANDOS, for the Russian Electronika BK
  • Apple DOS, for the Apple II series from late 1978 through early 1983
  • Apple ProDOS, name for both ProDOS 8 for the Apple II and ProDOS 16 for the Apple IIGS
  • Commodore DOS, for Commodore's 8-bit computers
  • Cromemco DOS (CDOS), a CP/M-like operating system
  • CSI-DOS, for the Soviet Elektronika BK computers
  • DOS (Diskette Operating System), a small OS for 16-bit Data General Nova computers, a cut-down version of their RDOS.
  • DEC BATCH-11/DOS-11, the first operating system to run on the PDP-11 minicomputer
  • Delta DOS, third party option from Premier Microsystems for the Dragon 32/64
  • DIP DOS, the operating system of the Atari Portfolio
  • DOS/360, 1966 IBM System/360 mainframe computer Disk Operating System
  • DragonDOS, for the Dragon 32/64
  • GEMDOS, one of the components of Atari TOS
  • HDOS, for Heathkit computers
  • IDOS, for the Ivel Ultra Apple II clone
  • IS-DOS, for Russian ZX Spectrum clones, developed in 1990 or 1991
  • IMDOS, for IMSAI 8080
  • MasterDOS, replacement DOS for the SAM Coupé
  • MDOS (Micropolis DOS) for S-100
  • MDOS, Myarc Disk Operating System for the Geneve 9640
  • MSX-DOS, a cross between MS-DOS 1.0 and CP/M developed by Microsoft for the MSX computer standard
  • NewDos/80, third-party option for the TRS-80
  • Oric DOS, for the Oric-1
  • PTDOS,[3] for the 1970s Sol-20 from Processor Technology
  • QDOS, for the Sinclair QL
  • SAMDOS, for the SAM Coupé
  • SDOS, for the SWTPC 6800
  • RDOS, for the Data General Nova and Eclipse minicomputers
  • SK*DOS,[4] for Motorola 68000-based systems
  • TR-DOS, for the ZX Spectrum
  • TRSDOS, for the TRS-80
  • Xtal DOS for the Tatung Einstein

See also

  • DOS (disambiguation)

References

Template:Disk operating systems