MS-DOS 1.24

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MS-DOS 1.24
Version of MS-DOS
Placeholder.png
Version1.24
Release date1982-03
Replaces
MS-DOS 1.23
Replaced by
MS-DOS 1.25

MS-DOS 1.24 was released in 1982-03 as the second general release to IBM. IBM named it IBM® Personal Computer™ DOS 1.10 but it was believed to be MS-DOS 1.24 compiled with the IBM switch on.

It supported both single sided (160KB) and double sided (320KB) 5.25" floppies and there was no sub-directory support (all files must be located in the root directory). As a result of that, \, / and other symbols can be used in file names.

Change log[edit | edit source]

1.24 03/01/82 Restore fcn. 27 to 1.0 level; add fcn. 28

Internal commands[edit | edit source]

The Command Interpreter, COMMAND.COM, supported these commands:

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