This is a list of
disk operating system
A disk operating system (DOS) is a computer operating system that requires a disk or other direct-access storage device as secondary storage. A DOS provides a file system and a means for loading and running computer program, programs stored on th ...
(DOS) variants with ''DOS'' in their name. Many are (or where in the day of DOS) called simply ''DOS'' within the context of their respective community.
For IBM PC compatible systems
DOS variants targeted for an
IBM PC compatible
An IBM PC compatible is any personal computer that is hardware- and software-compatible with the IBM Personal Computer (IBM PC) and its subsequent models. Like the original IBM PC, an IBM PC–compatible computer uses an x86-based central p ...
computer (in chronological order of first release):
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MS-DOS
MS-DOS ( ; acronym for Microsoft Disk Operating System, also known as Microsoft DOS) is an operating system for x86-based personal computers mostly developed by Microsoft. Collectively, MS-DOS, its rebranding as IBM PC DOS, and a few op ...
(1981), Microsoft operating system based on 86-DOS for x86-based personal computers
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IBM PC DOS
IBM PC DOS (an acronym for IBM Personal Computer Disk Operating System),Formally known as "The IBM Personal Computer DOS" from versions 1.0 through 3.30, as reported in those versions' respective COMMAND.COM outputs also known as PC DOS or IBM ...
(1981), rebranded OEM version of MS-DOS sold by IBM. Identical or almost identical to MS-DOS until PC DOS version 6
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DR-DOS
DR-DOS is a disk operating system for IBM PC compatibles, originally developed by Gary A. Kildall's Digital Research, Inc. and derived from Concurrent PC DOS 6.0, which was an advanced successor of CP/M-86. Upon its introduction in 198 ...
(1988), MS-DOS-compatible operating system originally developed by Digital Research
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ROM-DOS (1989), MS-DOS clone by Datalight
*
PTS-DOS
PTS-DOS (aka PTS/DOS) is a disk operating system, a DOS clone, developed in Russia by PhysTechSoft and Paragon Technology Systems.
History and versions
PhysTechSoft was formed in 1991 in Moscow, Russia by graduates and members of MIPT, inf ...
(1993), MS-DOS clone developed in Russia by PhysTechSoft
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FreeDOS
FreeDOS (formerly PD-DOS) is a free software operating system for IBM PC compatible computers. It intends to provide a complete MS-DOS-compatible environment for running Legacy system, legacy software and supporting embedded systems. FreeDOS ca ...
(1998), open source MS-DOS clone
For other x86 systems
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86-DOS
86-DOS (known internally as QDOS, for Quick and Dirty Operating System) is a discontinued operating system developed and marketed by Seattle Computer Products (SCP) for its Intel 8086-based computer kit.
86-DOS shared a few of its commands wi ...
(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
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Concurrent DOS
Multiuser DOS is a real-time multi-user multi-tasking operating system for IBM PC-compatible microcomputers.
An evolution of the older Concurrent CP/M-86, Concurrent DOS and Concurrent DOS 386 operating systems, it was originally developed by ...
(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
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DOS Plus
DOS Plus (erroneously also known as DOS+) was the first operating system developed by Digital Research's OEM Support Group in Newbury, Berkshire, UK, first released in 1985. DOS Plus 1.0 was based on CP/M-86 Plus combined with the PCM ...
(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
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Multiuser DOS
Multiuser DOS is a real-time multi-user multi-tasking operating system for IBM PC-compatible microcomputers.
An evolution of the older Concurrent CP/M-86, Concurrent DOS and Concurrent DOS 386 operating systems, it was originally developed by ...
(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
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Novell DOS, a multitasking successor of DR DOS 6.0 by Novell
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OpenDOS
DR-DOS is a disk operating system for IBM PC compatibles, originally developed by Gary A. Kildall's Digital Research, Digital Research, Inc. and derived from Concurrent PC DOS 6.0, which was an advanced successor of CP/M-86. Upon its introd ...
, a successor of Novell DOS by Caldera
For the Atari 8-bit computers
*
Atari DOS, from
Atari, Inc.
*
DOS XL, from
Optimized Systems Software
*
MyDOS[
* SmartDOS][
* SpartaDOS
* SpartaDOS X
* ]TOP-DOS
Atari DOS is the disk operating system used with the Atari 8-bit computers. Operating system extensions loaded into memory were required in order for an Atari computer to manage files stored on a Disk storage, disk drive. These extensions t ...
[
* Turbo-DOS
]
For other platforms
* AmigaDOS
AmigaDOS is the disk operating system of the AmigaOS, which includes file systems, file and directory manipulation, the command-line interface, and file Redirection (computing), redirection.
In AmigaOS 1.x, AmigaDOS is based on a TRIPOS port by ...
, disk operating system portion of AmigaOS
AmigaOS is a family of proprietary native operating systems of the Amiga and AmigaOne personal computers. It was developed first by Commodore International and introduced with the launch of the first Amiga, the Amiga 1000, in 1985. Early versions ...
* AMSDOS, for Amstrad
Amstrad plc was a British consumer electronics company, founded in 1968 by Alan Sugar. During the 1980s, the company was known for its Home computer, home computers beginning with the Amstrad CPC and later also the ZX Spectrum range after the ...
CPC compatibles
* ANDOS, operating system for the Russian Electronika BK
The Electronika BK is a series of 16-bit computing, 16-bit PDP-11-compatible home computers developed under the Electronika brand by NPO Scientific Center, then the leading microcomputer design team in the Soviet Union. It is also the predecessor ...
* Apple DOS, operating system for the Apple II
Apple II ("apple Roman numerals, two", stylized as Apple ][) is a series of microcomputers manufactured by Apple Computer, Inc. from 1977 to 1993. The Apple II (original), original Apple II model, which gave the series its name, was designed ...
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
The PDP–11 is a series of 16-bit minicomputers originally sold by Digital Equipment Corporation (DEC) from 1970 into the late 1990s, one of a set of products in the Programmed Data Processor (PDP) series. In total, around 600,000 PDP-11s of a ...
minicomputer
* Delta DOS, third party option from Premier Microsystems for the Dragon 32/64
The Dragon 32 and Dragon 64 are 8-bit home computers that were built in the 1980s. The Dragons are very similar to the TRS-80 Color Computer, and were produced for the European market by Dragon Data, Ltd., initially in Swansea, Wales, before mo ...
* DIP DOS, the operating system of the Atari Portfolio
* DOS/360
Disk Operating System/360, also DOS/360, or simply DOS, is the discontinued first member of a sequence of operating systems for IBM System/360, System/370 and later mainframes. It was announced by IBM on the last day of 1964, and it was first d ...
, 1966 IBM System/360
The IBM System/360 (S/360) is a family of mainframe computer systems announced by IBM on April 7, 1964, and delivered between 1965 and 1978. System/360 was the first family of computers designed to cover both commercial and scientific applicati ...
mainframe computer Disk Operating System
* DragonDOS, for the Dragon 32/64
The Dragon 32 and Dragon 64 are 8-bit home computers that were built in the 1980s. The Dragons are very similar to the TRS-80 Color Computer, and were produced for the European market by Dragon Data, Ltd., initially in Swansea, Wales, before mo ...
* GEMDOS, one of the components of Atari TOS
* 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
MSX-DOS is a discontinued disk operating system developed by Microsoft's Japan subsidiary for the 8-bit home computer standard MSX, and is a cross between MS-DOS v1.25 and CP/M-80 v2.2.
MSX-DOS
MSX-DOS and the extended BASIC with 3½-in ...
, a cross between MS-DOS 1.0 and CP/M developed by Microsoft for the MSX
MSX is a standardized home computer architecture, announced by ASCII Corporation on June 16, 1983. It was initially conceived by Microsoft as a product for the Eastern sector, and jointly marketed by Kazuhiko Nishi, the director at ASCII Corpo ...
computer standard
* NewDos/80
NewDos/80 is a third-party operating system for the Radio Shack TRS-80 line of microcomputers released in 1980. NewDos/80 was developed by Apparat, Inc., of Denver, Colorado. NewDos/80 version 2.0 was released in August 1981. It ran on the TRS-8 ...
, third-party option for the TRS-80
* Oric DOS, for the Oric-1 home computer
* PTDOS, for the 1970s Sol-20
The Sol-20 was the first fully assembled microcomputer with a built-in keyboard and television output, what would later be known as a home computer. The design was the integration of an Intel 8080-based motherboard, a VDM-1 graphics card, the 3 ...
from Processor Technology
Processor Technology Corporation was a personal computer company founded in April 1975, by Gary Ingram and Bob Marsh in Berkeley, California. Their first product was a 4K byte RAM board that was compatible with the MITS Altair 8800 computer but ...
* SAMDOS, original DOS for the SAM Coupé
* SDOS, for the SWTPC 6800 from the Southwest Technical Products Corporation
* Sinclair QDOS, for the Sinclair QL
The Sinclair QL (for ''Quantum Leap'') is a personal computer launched by Sinclair Research in 1984, as an upper-end counterpart to the ZX Spectrum.
The QL was the last desktop microcomputer from Sinclair Research aimed at the serious home use ...
* RDOS, a real-time operating system released in 1972 for the Data General Nova and Eclipse
An eclipse is an astronomical event which occurs when an astronomical object or spacecraft is temporarily obscured, by passing into the shadow of another body or by having another body pass between it and the viewer. This alignment of three ...
minicomputers
* SK*DOS, for Motorola 68000-based systems
* TR-DOS, for the ZX Spectrum
The ZX Spectrum () is an 8-bit computing, 8-bit home computer developed and marketed by Sinclair Research. One of the most influential computers ever made and one of the all-time bestselling British computers, over five million units were sold. ...
* TRSDOS
TRSDOS (which stands for the Tandy Radio Shack Disk Operating System) is the operating system for the Tandy TRS-80 line of eight-bit Zilog Z80 microcomputers that were sold through Radio Shack from 1977 through 1991. Tandy's manuals recommended ...
, for the Tandy TRS-80
The TRS-80 Micro Computer System (TRS-80, later renamed the Model I to distinguish it from successors) is a desktop microcomputer developed by American company Tandy Corporation and sold through their Radio Shack stores. Launched in 1977, it is ...
line of 8-bit Zilog Z80
The Zilog Z80 is an 8-bit computing, 8-bit microprocessor designed by Zilog that played an important role in the evolution of early personal computing. Launched in 1976, it was designed to be Backward compatibility, software-compatible with the ...
microcomputers
* Xtal DOS for the Tatung Einstein
See also
* DOS (disambiguation)
References
{{DEFAULTSORT:List Of Dos Operating Systems
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