MS-DOS 1.54

MS-DOS 1.54
Version of MS-DOS
Release date1982-07
MS-DOS 1.53
Replaced by
MS-DOS 2.00

According to the MS-DOS 2.11 source code, MS-DOS 1.54 is an unreleased internal version of MS-DOS. At this stage of development, it was already clear that the next major release of MS-DOS, version 2.00, and would significantly differ from the previous release.

Change log[edit | edit source]

1.54 07/11/82 Function calls 1-12 make use of new 2.0 PDB. Init code
              changed to set file handle environment.