Unisys 1100/CTOS, BTOS
Unisys 5000, 6000, 7000, 9000
Unisys U6000
Unisys V-Series, B20
Unisys/BTOS, CTOS
Unisys/CTOS, BTOS
Unix
VAX/VMS
VMS
VMS, ULTRIX, MVS, VM/CMS, UNIX, DOS
Wang VS
Wang VS, XDMS, DMS/DMS TX
Windows
Windows 3.1
Windows 3.11
Windows 3.X
Windows 3.x
Windows 95
Windows NT
Windows for Workgroups
Windows forWorkgroups
XENIX