DR DOS 6.0
1991
Digital Research
FreeDOS 1.0
2006
The FreeDOS Project
FreeDOS 1.3 Release Candidate 4
2021
The FreeDOS Project
MS-DOS (Version 3.31)
1987
Microsoft
DR DOS 7.03
1999
Caldera
DR DOS Lite 7.03
1999
Caldera
MS-DOS (Version 5.00)
1991
Microsoft
MS-DOS (Version 6.00)
1992
Microsoft
MS-DOS (Version 6.20)
1993
Microsoft
MS-DOS (Version 6.22)
1994
Microsoft
Novell DR Multiuser DOS Release 5.1
1992
Novell
Novell DOS 7
1994
Novell
IBM DOS (Version 5.00)
1991
IBM
IBM DOS (Version 5.02)
1992
IBM
IBM DOS (Version 6.1)
1993
IBM
Caldera OpenDOS 7.01
1997
Caldera
Caldera OpenDOS Lite 7.01
1997
Caldera
OS/2 Warp with Win-OS/2
1995
IBM
OS/2 Warp Connect with Win-OS/2
1995
IBM
PC DOS (Version 6.3)
1993
IBM
IBM PC DOS 2000
1998
IBM
Microsoft Windows/386 Version 2.1
1988
Microsoft
Microsoft Windows/386 Version 2.11
1989
Microsoft
Microsoft Windows Version 3.0
1990
Microsoft
Windows Version 3.1
1992
Microsoft
Windows Version 3.11
1993
Microsoft
Windows for Workgroups Version 3.1
1992
Microsoft
Windows for Workgroups Version 3.11
1993
Microsoft
Windows NT 3.1 Workstation (3.10.511.1)
1993
Microsoft
Windows NT 3.51 Workstation (3.51.1057.1)
1995
Microsoft
Windows 95
1995
Microsoft
Windows 98 Second Edition
1999
Microsoft