Forcheck is available on the
following platforms:

IBM/MVS
VAX/VMS
AXP/VMS
Cray
Convex
Prime/Primos
Apollo/Domain
Sun/SunOS
HP 9000/UX
DEC/RISC
AXP-OSF/1
Control Data 4000
Silicon Graphics
IBM RS/6000
IBM PC DOS
IBM PC DOS-Extended
IBM PC OS/2