Microsoft DOS History
Year | Event |
1981 | Microsoft buys the rights for QDOS from Seattle Computer Products (SCP) for $25,000 on July 27, 1981. |
1981 | MS-DOS 1.0 was released August, 1981. |
1982 | MS-DOS 1.25 was released August, 1982. |
1983 | MS-DOS 2.0 was released March, 1983. |
1984 | Microsoft introduces MS-DOS 3.0 for the IBM PC AT and MS-DOS 3.1 for networks. |
1986 | MS-DOS 3.2 was released April, 1986. |
1987 | MS-DOS 3.3 was released April, 1987. |
1988 | MS-DOS 4.0 was released July, 1988. |
1988 | MS-DOS 4.01 was released November, 1988. |
1991 | MS-DOS 5.0 was released June, 1991. |
1993 | MS-DOS 6.0 was released August, 1993. |
1993 | MS-DOS 6.2 was released November, 1993 |
1994 | MS-DOS 6.21 was released March, 1994 |
1994 | MS-DOS 6.22 was released April, 1994 |
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MS-DOS applications
Below is a listing of the applications included with MS-DOS and what file extension it used. As MS-DOS continued to grow, applications were removed and added. In this list you can see what programs were included with your versions of MS-DOS. This list only applies for MS-DOS 2.x to 6.22. As Windows grew into what it is today, many of the applications were removed or changed. If you're running Windows 95 or higher and want to know if an application is available, see the command page for that application or command.
Command Versions
2.0x 2.1x 3.00 3.1x
3.2x 3.3x 4.0x 5.0
5.00a 6.0 6.2 6.21
6.22
APPEND N/A N/A N/A EXE EXE EXE EXE EXE EXE EXE
ASSIGN COM COM COM COM COM COM COM N/A N/A N/A
ATTRIB N/A N/A EXE EXE EXE EXE EXE EXE EXE EXE
BACKUP COM COM COM COM COM COM EXE N/A N/A N/A
BASIC COM COM COM COM N/A N/A N/A N/A N/A N/A
BASICA COM COM COM COM N/A N/A N/A N/A N/A N/A
CHKDSK COM COM COM COM COM COM EXE EXE EXE EXE
CHOICE N/A N/A N/A N/A N/A N/A N/A COM COM COM
COMMAND COM COM COM COM COM COM COM COM COM COM
COMP COM COM COM COM COM COM EXE N/A N/A N/A
DBLSPACE...