Logging into an Ultrix 4.0 system
|Type:||Multi-tasking, multi-user Unix|
|Creator:||Digital Equipment Corporation|
|Architecture:||PDP-11, VAX, DECStation|
|Current Version:||4.5 for VAX and DECStation (1995)|
ULTRIX-11 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).
ULTRIX-32 for the VAX was derived from 4.2 BSD with some influences from SYSV and included support for specific DEC technologies. ULTRIX-32 is now available from TUHS. The latest version is 4.5 from 1995. It will run under the VAX simulator in SIMH.
It's been confirmed that 4.0 is NOT y2k compatable... Not many UNIX from the 1990's or prior are so it's really no surprise...
SIMH will run Ultrix. Right now, only 4.0 on the microVAX II is currently known to work.
Sourcecode for Ultrix can be found here
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