DOS

Proper noun

 * , a family of disk-based operating systems.
 * 1) * 1993, Kris A. Jamsa, DOS: The Complete Reference, McGraw–Hill Osborne Media:
 * Next, using your word processor or the DOS text editor, you can edit your AUTOEXEC.BAT file.
 * Next, using your word processor or the DOS text editor, you can edit your AUTOEXEC.BAT file.

Usage notes

 * Normally applied to operating systems available for IBM and IBM-compatible personal computers from the early 1980s (PC-DOS, MS-DOS, DR-DOS, Novell DOS, FreeDOS), although the term was also used before and after this to refer to any disk-based operating system (such as the Diskette Operating System for their minicomputers, or for the TRS-80 DOS used when the computer was upgraded from cassette data storage to diskette).

Translations

 * Arabic: دوس
 * Icelandic: diskstýrikerfi