ULTRIX

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Ultrix
Type: Multitasking, multiuser UNIX
Creator: Digital Equipment Corporation
Architecture: PDP-11, VAX, DECStation
This Version: 4.5 for VAX and DECStation (1995)
Date Released: 1984


Ultrix was DEC's official UNIX for VAX, PDP-11 and DECStation equipment. Ultrix-32 was derived from 4.2 BSD with some influences from SYSV and included support for specific DEC technologies..

PDP-11

Ultrix was available for the PDP-11 and can be obtained up to version 3.1 from TUHS. It will run under SIMH (and other PDP-11 emulators).

VAX

Ultrix for VAX is not available from TUHS. The latest version is 4.5 from 1995. It will run under the VAX simulator in SIMH.

DECStation

Ultrix for DECStation is not available from TUHS. The latest version is 4.5 from 1995. This version will also run, (Including CDE + X11!} under GXemul.


Sourcecode for Ultrix can be found here