Silicon Graphics IRIX
Sun SunOS and Solaris
DEC ULTRIX
DEC/alpha OSF
CRAY UNICOS
DEC/VMS 5.5
IBM/RS6000 AIX
Linux
HP HP-UX
VAX/VMS has not been checked in about 2 years
OpenVMS (Looking for a test machine !)
Windows NT / Windows95 / Windows2000 / WindowsXP
MacOSX
OS2