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  2. MS-DOS - Wikipedia

    en.wikipedia.org/wiki/MS-DOS

    As MS-DOS 7.0 was a part of Windows 95, support for it also ended when Windows 95 extended support ended on December 31, 2001. [84] As MS-DOS 7.10 and MS-DOS 8.0 were part of Windows 98 and Windows ME, respectively, support ended when Windows 98 and ME extended support ended on July 11, 2006, thus ending support and updates of MS-DOS from ...

  3. List of DOS commands - Wikipedia

    en.wikipedia.org/wiki/List_of_DOS_commands

    The version included with MS-DOS 4 and PC DOS 4 is no longer a simple command-line utility, but a full-fledged installer. The command is available in MS-DOS versions 3.3 and 4 and IBM PC DOS releases 3 through 4. [1] This command is no longer included in DOS Version 5 and later, where it has been replaced by SETUP.

  4. Comparison of DOS operating systems - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_DOS...

    Each computer would have its own distinct hardware and its own version of MS-DOS, a situation similar to the one that existed for CP/M, with MS-DOS emulating the same solution as CP/M to adapt for different hardware platforms. So there were many different original equipment manufacturer (OEM) versions of MS-DOS for different hardware. But the ...

  5. MSDOS.SYS - Wikipedia

    en.wikipedia.org/wiki/MSDOS.SYS

    MSDOS.SYS is a system file in MS-DOS and Windows 9x operating systems. In versions of MS-DOS from 1.1x through 6.22, the file comprises the MS-DOS kernel and is responsible for file access and program management. MSDOS.SYS is loaded by the DOS BIOS IO.SYS as part of the boot procedure. [1] In some OEM versions of MS-DOS, the file is named MSDOS ...

  6. DOS API - Wikipedia

    en.wikipedia.org/wiki/DOS_API

    The original DOS API in 86-DOS and MS-DOS 1.0 was designed to be functionally compatible with CP/M.Files were accessed using file control blocks (FCBs). The DOS API was greatly extended in MS-DOS 2.0 with several Unix concepts, including file access using file handles, hierarchical directories and device I/O control. [1]

  7. DOS/360 and successors - Wikipedia

    en.wikipedia.org/wiki/DOS/360_and_successors

    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 delivered in June 1966. [1] In its time, DOS/360 was the most widely used operating system in the world ...

  8. Drive letter assignment - Wikipedia

    en.wikipedia.org/wiki/Drive_letter_assignment

    MS-DOS/PC DOS versions 4.0 and earlier assign letters to all of the floppy drives before considering hard drives, so a system with four floppy drives would call the first hard drive E:. Starting with DOS 5.0, the system ensures that drive C: is always a hard disk, even if the system has more than two physical floppy drives.

  9. List of Microsoft operating systems - Wikipedia

    en.wikipedia.org/wiki/List_of_Microsoft...

    1 MS-DOS. 2 Windows. Toggle Windows subsection. 2.1 Windows 1.0 until 13.4. 2.2 Windows 10/11 and Windows Server 2016/2019/2022. 2.3 Windows Mobile. 2.4 Windows Phone ...