Timeline Of X86 DOS Operating Systems
This article presents a timeline of events in the history of x86 DOS operating systems from 1973 to 2012.
DOS releases have been in the forms of:
- OEM adaption kits—all Microsoft releases prior to version 3.2 were OAKs only
- Shrink-wrapped packages for smaller OEMs (system builders)—beginning with MS-DOS 3.2 in January 1986, Microsoft offered these in addition to OAKs
- End-user retail—all versions of IBM PC DOS (and other OEM-adapted versions) were sold to end users. DR DOS began selling to end users with version 5.0 in July 1990, followed by MS-DOS 5.0 in June 1991
- Free download, beginning with FreeDOS in 1998
| Microsoft/MS-DOS/86-DOS | IBM PC DOS/IBM DOS | Digital Research/DR-DOS |
| Compaq MS-DOS | FreeDOS and GNU/DOS | Other |
Read more about Timeline Of X86 DOS Operating Systems: 1973–1979: Hardware Foundations and CP/M, 1980–1995: Important Events in DOS History, 1995–2000: Windows 9x Era, 2001–2012: Post-Millennium, See Also
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