Windows - Microsoft Windows 2000, XP-Home, XP-Pro, Server-2003
Linux - Red Hat Linux 7.3 and 8.0; Red Hat Enterprise (RHEL) 3 and 4; using
X11R4+ for most window managers
Solaris - Solaris 6, 7, 8, and later; using
OpenWindows 3.x, or X11R4 or later for most window managers, including
OpenLook Window Manager (olwm) and Motif Window Manager (mwm)
HP - HP-UX 11.11 (11i) and later; using X11R4+
for most window managers