IBM PC DOS
IBM PC DOS (commonly called The IBM Personal Computer DOS and IBM DOS), an acronym for IBM Personal Computer Disk Operating System, 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.
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 |
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