DOS Windows Windows 3.X Windows 95 Windows 98 Windows Me Windows NT Windows 2000 Windows 2003 Server Windows XP Windows VISTA Linux Unix Solaris OS2 Mac System 6 System 7 Mac OS 7.x Mac OS 8.x Mac OS 9.x Mac OS X Mac OS X Server Mobile Palm OS 1.x Palm OS 2.x Palm OS 3.x Palm OS 4.x Palm OS 5.x Windows CE 1.x Windows CE 2.x Pocket PC Pocket PC 2002 Pocket PC 2003 Celvic OS EPOC (Psion OS) Symbian Windows Mobile 2003 Phone Edition Embedded OS Windows CE Embedded Linux Embedded Java RTOS (Real Time OS) pSOS OS-9 VxWorks QNX VRTX Nucleus Qplus Lynx RT-Linux