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Home * Software * MS-DOS

Starting MS-DOS [1]

and its rebranded version IBM PC-DOS were Disk Operating Systems by Microsoft for 16-bit 8086 and x86 Real mode based IBM PCs and compatibles. Microsoft first licensed, then purchased 86-DOS from Seattle Computer Products (SCP), which was modified for the IBM PC by Microsoft employee Bob O'Rear with assistance from SCP (later Microsoft) employee Tim Paterson.

See also


Forum Posts

1993 ...

2000 ...

2010 ...

External Links

Operating System

DOS/4G from Wikipedia



  1. MS-DOS 6.22 booting, from QEMU. Image created by Mike Swanson, June 22, 2009, MS-DOS © 1994 Microsoft, Wikimedia Commons
  2. Re: Does DOSBOX accept Mephisto Genius 3? by Ed Schröder, CCC, April 04, 2015
  3. Internet Archive MS-DOS games in the browser by James Constance, CCC, November 18, 2017
  4. More DOS oldies by Ed Schroder, CCC, February 03, 2018

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