DOS 6 or DOS-6 may refer to:
In computing: DR DOS 6.0 by Novell MS-DOS 6.x by Microsoft IBM PC DOS 6.x by IBM Novell DOS 7, which reports itself as "PC DOS 6.0" DR-DOS 7.x, which reports itself as "PC DOS 6.0" ROM-DOS 6.22 by Datalight Paragon DOS Pro 2000 by PhysTechSoft PTS-DOS 6.x by PhysTechSoft
Others: DOS-6, Soviet space station Salyut 7
See also DOS 5 (disambiguation) DOS 7 (disambiguation) DOS (disambiguation)