Web site: digital.com/info/SP2640/ (not active) Origin: USA Category: Server, Workstation Desktop environment: X10/X11 Architecture: MIPS, VAX Based on: BSD Wikipedia: ULTRIX Media: Install The last version | Released: 4.5 | December 1995 ULTRIX – an operating system made by DEC (Digital Equipment Corporation), based on the 4.2BSD UNIX operating system with improvements 4.3BSD and System … Read more