DOS 2
DOS 2 or DOS-2 may refer to:
- A failed Soviet space station DOS-2, part of the Salyut programme
It may also refer to versions of the Microsoft MS-DOS family:
- MS-DOS 2.00, Microsoft (internal) version in 1982 and 1983, successor of MS-DOS 1.xx, licensed to various OEMs including IBM
- MS-DOS 2.01, Microsoft (internal) version in 1983
- MS-DOS 2.10, Microsoft (internal) version in 1983
- MS-DOS 2.11, Microsoft (internal) version in 1983
- MS-DOS 2.11R, a ROMed version for Tandy PCs in 1988
- MS-DOS 2.12, a special OEM version for the TI Professional in 1983/1984
- MS-DOS 2.25, Microsoft version with extended multilanguage support in 1985
- MS-DOS 2.50, Microsoft internal version in 1983
It may also refer to versions of the IBM PC DOS family:
- PC DOS 2.0, successor of PC DOS 1.1 in 1983
- PC DOS 2.1, successor of PC DOS 2.0 in 1983
- PC DOS 2.11, successor of PC DOS 2.1 in 1984
It may also refer to operating systems of the Digital Research family:
- DOS Plus 1.1, a single-user variant of Concurrent PC DOS in 1985
- DOS Plus 1.2, a single-user variant of Concurrent PC DOS 4.1 in 1986
- DOS Plus 2.1, a single-user variant of Concurrent PC DOS 5.0 in 1988
See also
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