MS-DOS 1.25

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MS-DOS 1.25
Version of MS-DOS
MS-DOS 1.25 Compaq 1.10 B.png
Version1.25
Codename
Preliminary name
Latest build
Release date1982-08
Support end
Replaces
MS-DOS 1.24
Replaced by
MS-DOS 2.00

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. Some OEMs labeled their release with different version numbers (e.g. COMPAQ), but it seems they're still all based on 1.25.[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

Gallery[edit]

References[edit]