Back آي بي إم دوس Arabic PC DOS BE-X-OLD IBM PC-DOS Catalan IBM PC DOS Czech PC DOS German IBM PC DOS Spanish آیبیام داس Persian PC-DOS Finnish IBM PC DOS ID PC DOS Italian
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 Version 1.10 (1982) command line | |
| Developer | Microsoft IBM |
|---|---|
| Written in | Assembly language, C |
| OS family | DOS |
| Working state | No longer supported |
| Source model | Closed source |
| Initial release | August 1981 |
| Latest release | PC DOS 2000 / April 1998 |
| Latest preview | PC DOS 7.1 / 2003 |
| Available in | English (US), English (UK), Danish, Dutch, Finnish, French, German, Italian, Norwegian, Portuguese, Russian, Spanish, Swedish |
| Platforms | x86 |
| Kernel type | Monolithic kernel |
| Default user interface | Command-line interface (COMMAND.COM) |
| License | Commercial proprietary software |
IBM PC DOS (an acronym for IBM Personal Computer Disk Operating System),[nb 1] also known as PC DOS or IBM DOS, is a discontinued disk operating system for the IBM Personal Computer, its successors, and IBM PC compatibles. It was manufactured and sold by IBM from the early 1980s into the 2000s. Developed by Microsoft, it was also sold by that company as MS-DOS. Both operating systems were identical or almost identical until 1993, when IBM began selling PC DOS 6.1 with new features. The collective shorthand for PC DOS and MS-DOS was DOS, which is also the generic term for disk operating system, and is shared with dozens of disk operating systems called DOS.
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