MS-DOS 1.25

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Revision as of 08:44, 13 April 2019 by ToMi1 (talk | contribs)

MS-DOS 1.25 is the first version of MS-DOS, released in 1982-08. It was the first version licensed to OEMs beyond IBM or Seattle Computer Products[1] It only supported 5.25" 160 kB floppies and did not support folders (all files had to be located in the root directory). The command interperter, COMMAND.COM, supported these commands:

  • DIR
  • TYPE
  • COPY
  • ERASE
  • RENAME
  • PAUSE
  • REM

The source code for this version was released on 25 March 2014 by Microsoft and the Computer History Museum, along with a note from Tim Paterson from December 2013.

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