LPL Worksta-tion , Server , Embedded , HPC QNX QNX Software Systems 1982-?-? Unix 6.3.2 2006- 09-28  ? Proprie- tary Worksta-tion , Server , Embedded Solaris Sun 1992-07-? SunOS 10 5/08 2008- 04-15 Free CDDL Server , Worksta-tion Win- dows Server (NT family) Microsoft 1993-07-27 MS-DOS , OS/2 , Windows 3.x