• Thumbnail for MS-DOS
    MS-DOS (/ˌɛmˌɛsˈdɒs/ em-es-DOSS; acronym for Microsoft Disk Operating System, also known as Microsoft DOS) is an operating system for x86-based personal...
    93 KB (9,753 words) - 21:13, 19 July 2025
  • Thumbnail for DOS
    DOS/360 from 1966. Others include Apple DOS, Apple ProDOS, Atari DOS, Commodore DOS, TRSDOS, and AmigaDOS. IBM PC DOS (and the separately sold MS-DOS)...
    56 KB (6,507 words) - 14:45, 10 June 2025
  • Thumbnail for MS-DOS Editor
    MS-DOS Editor, commonly just called edit or edit.com, is a TUI text editor. Originally, it was a 16-bit that shipped with MS-DOS 5.0 and later, as well...
    7 KB (619 words) - 14:26, 20 July 2025
  • commands provided by the MS-DOS disk operating system (DOS), especially as used on an IBM PC compatible computer. Other DOS variants as well as the legacy...
    45 KB (5,770 words) - 15:18, 20 July 2025
  • DOS Shell is a file manager that debuted in MS-DOS and PC DOS version 4.0, released in June 1988. It was no longer included in MS-DOS version 6, but remained...
    5 KB (554 words) - 17:07, 29 May 2024
  • Thumbnail for MS-DOS 7
    MS-DOS 7 is a real mode operating system for IBM PC compatibles. Unlike earlier versions of MS-DOS, it was not released separately by Microsoft, but included...
    10 KB (1,140 words) - 03:14, 27 August 2024
  • of MS-DOS, IBM PC DOS, and at least partially compatible disk operating systems. It does not include the many other operating systems called "DOS" which...
    33 KB (1,260 words) - 01:11, 19 September 2024
  • Thumbnail for MS-DOS 4.0 (multitasking)
    MS-DOS 4.0 was a multitasking release of MS-DOS developed by Microsoft based on MS-DOS 2.0. Lack of interest from OEMs, particularly IBM (who previously...
    10 KB (974 words) - 16:32, 23 January 2025
  • Thumbnail for 86-DOS
    licensed and then purchased by Microsoft and developed further as MS-DOS and PC DOS. 86-DOS was created because sales of the Seattle Computer Products 8086...
    57 KB (3,963 words) - 07:23, 18 June 2025
  • 1993]. Undocumented DOS: A programmer's guide to reserved MS-DOS functions and data structures - expanded to include MS-DOS 6, Novell DOS and Windows 3.1...
    32 KB (3,261 words) - 03:08, 22 July 2025
  • Thumbnail for Debug (command)
    Debug (command) (redirect from MS-DOS DEBUG)
    the MS-DOS subsystem to maintain MS-DOS compatibility. The 16-bit DOS commands are not available on 64-bit editions of Windows. The MS-DOS/PC DOS DEBUG...
    15 KB (1,335 words) - 04:54, 24 May 2025
  • Microsoft Windows (redirect from MS Windows)
    released on November 20, 1985, as a graphical operating system shell for MS-DOS in response to the growing interest in graphical user interfaces (GUIs)...
    104 KB (9,232 words) - 13:47, 24 July 2025
  • Thumbnail for 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...
    29 KB (2,091 words) - 18:56, 9 June 2025
  • creating and editing text, spreadsheets, charts and other documents on the MS-DOS operating systems. It was released by Lotus Development as a follow-on to...
    9 KB (1,109 words) - 00:19, 8 July 2025
  • Thumbnail for DR-DOS
    compatible with IBM PC DOS and MS-DOS. Its first release was version 3.31, named so that it would match MS-DOS's then-current version. DR DOS 5.0 was released...
    122 KB (12,096 words) - 11:11, 27 July 2025
  • Windows 9x (redirect from MS Windows 9x)
    modified in succeeding versions, with its underlying foundation based on MS-DOS. The first version in the 9x series was Windows 95, which was succeeded...
    49 KB (6,298 words) - 03:30, 18 July 2025
  • script#Computer encoding). The first official Russification of MS-DOS was carried out for MS-DOS 4.01 in 1989/1990, released on 9 April 1990 (1990-04-09)....
    4 KB (406 words) - 23:54, 14 September 2024
  • IO.SYS (redirect from I/O System (MS-DOS))
    essential part of MS-DOS and Windows 9x. It contains the default MS-DOS device drivers (hardware interfacing routines) and the DOS initialization program...
    13 KB (1,031 words) - 17:30, 2 July 2025
  • Thumbnail for IBM PC compatible
    firmware interface, or have their CSMs disabled, cannot natively run MS-DOS since MS-DOS depends on a BIOS interface to boot. Only the Macintosh had kept...
    73 KB (8,115 words) - 11:03, 26 July 2025
  • Thumbnail for IBM PC DOS
    PC DOS and MS-DOS was DOS, which is also the generic term for disk operating system, and is shared with dozens of disk operating systems called DOS. The...
    37 KB (3,705 words) - 09:44, 29 July 2025
  • 8-bit home computer standard MSX, and is a cross between MS-DOS v1.25 and CP/M-80 v2.2. MSX-DOS and the extended BASIC with 3½-inch floppy disk support...
    14 KB (1,630 words) - 01:55, 26 July 2025
  • Thumbnail for Configuration file
    of MS-DOS. An example CONFIG.SYS: DOS=HIGH,UMB DEVICE=C:\DOS\HIMEM.SYS DEVICE=C:\DOS\EMM386.EXE RAM DEVICEHIGH=C:\DOS\ANSI.SYS FILES=30 SHELL=C:\DOS\COMMAND...
    10 KB (1,006 words) - 18:09, 25 July 2025
  • Windows 95 (redirect from MS Windows 95)
    retail on August 24, 1995. Windows 95 merged Microsoft's formerly separate MS-DOS and Microsoft Windows products into a single product and featured significant...
    72 KB (7,216 words) - 22:09, 18 July 2025
  • SET under DR DOS 6.0 and higher (and only with SWITCHES=/L (for "allow lowercase names") under DR-DOS 7.02 and higher). In principle, MS-DOS 7.0 and higher...
    102 KB (10,349 words) - 01:26, 22 June 2025
  • Thumbnail for DOSBox
    DOSBox (redirect from DOS Box)
    DOSBox is a free and open-source MS-DOS emulator. It supports running programs – primarily video games – that are otherwise inaccessible since hardware...
    32 KB (3,079 words) - 04:55, 21 June 2025
  • Windows 1.0 (redirect from MS Windows 1.0)
    being released two years later. Windows 1.0 runs on MS-DOS, as a 16-bit shell program known as MS-DOS Executive, and it provides an environment which can...
    40 KB (3,916 words) - 10:12, 27 July 2025
  • nested logical drives inside an extended partition came with DOS 3.30. Since MS-DOS, PC DOS, OS/2 and Windows were never enabled to boot off them, the MBR...
    100 KB (8,704 words) - 08:40, 27 May 2025
  • The DOS API is an API which originated with 86-DOS and is used in MS-DOS/PC DOS and other DOS-compatible operating systems. Most calls to the DOS API...
    21 KB (1,231 words) - 19:18, 19 November 2024
  • Thumbnail for Microsoft Word
    Microsoft Word (redirect from MS Word)
    primary software engineer. Microsoft announced Multi-Tool Word for Xenix and MS-DOS in 1983. Its name was soon simplified to Microsoft Word. Free demonstration...
    99 KB (9,252 words) - 17:18, 19 July 2025
  • Thumbnail for Influence of the IBM PC on the personal computer market
    developer of its primary operating system, IBM PC DOS—licensed the operating system generically as MS-DOS to over 70 other companies. One of the first computers...
    50 KB (5,508 words) - 01:03, 13 July 2025