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MS-DOS
Developer(s) Microsoft
Source Model Closed Source
Latest version 8.0
User Interface Command Line
Platforms PC

MS-DOS (Microsoft Disk Operating System) was Microsoft's version of IBM PC-DOS. IBM PC-DOS (PC-DOS) and Microsoft's MS-DOS are respectively single-tasking, single user operating systems driven by a command interpreter. PC-DOS was the primary operating system for IBM PCs from the late 1980's to the mid 1990's and MS-DOS was the primary operating system for the clones of the IBM PCs during those years.

Version History[]

MS-DOS 1[]

MS-DOS 1.25 was also available for the Commodore PET-II machines that had the 8086 daughter card in them.

MS-DOS 2[]

MS-DOS 2 adds support for subdirectories and 10 MB large disks.[1]

MS-DOS 3[]

Adds support for FAT16 partitions up to 32 MB, 1.2 MB floppy drives, and the IBM AT internal clock.[2]

MS-DOS 4[]

MS-DOS 5[]

DOS 5.0 came with a double space utility that doubled the size of the harddisk. Also MS-DOS 5.0 came with QBASIC 1.0

MS-DOS 6.22[]

MS-DOS 6.22 was the most advanced version of DOS that came as its own operating system. It had QBASIC 1.1 and a backup tool.

MS-DOS 7.0[]

This version of MS-DOS was the version used by Windows 95. Windows 98, and Windows ME. It lacked many of the for MS-DOS 6.22, but supported bigger hard drives and when run in a window, it would support long-file names.

MS-DOS 8.0[]

This is the stripped down version of DOS that [[Windows Millennium Edition|Windows ME is based on.

External Links[]

History of Non-Unix Operating Systmes

Related Articles[]

References[]

Wikipedia MS-DOS article
History of Non-Unix Operating Systems

MS-DOS compatible operating systems
Single User MS-DOS *  IBM PC-DOS *  DR-DOS *  PTS-DOS *  86-DOS *  FreeDOS *  FreeDOS-32
OpenDOS *  DOS Plus
Multiuser MultiUser DOS *  PC-MOS *  Real/32
Embedded ROM-DOS


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