Difference between revisions of "ULTRIX"

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{{Infobox OS  
 
{{Infobox OS  
−
| name = Ultrix
+
| image = ultrix40.png
 +
| caption = Logging into an Ultrix 4.0 system
 +
| name = ULTRIX
 
| creator = [[Digital Equipment Corporation]]
 
| creator = [[Digital Equipment Corporation]]
 
| current version = 4.5 for VAX and DECStation (1995)
 
| current version = 4.5 for VAX and DECStation (1995)
−
| year introduced = 1984
+
| year introduced = ULTRIX-11: 1982, ULTRIX-32: 1984
−
| type = Multitasking, multiuser UNIX
+
| type = Multi-tasking, multi-user Unix
−
| architecture = [[PDP-11]], [[VAX]], [[DECStation]]
+
| architecture = [[PDP-11]], [[VAX]], [[DECStation]]/[[DECsystem]] ([[RISC]])
 
}}
 
}}
  
−
Ultrix was [[DEC]]'s official UNIX for [[VAX]], [[PDP-11]] and [[DECStation]] equipment.
+
'''ULTRIX''' was [[Digital Equipment Corporation|DEC]]'s official [[UNIX]] for [[VAX]], [[PDP-11]] and [[DECStation]]/[[DECsystem]] ([[RISC]]) equipment.
  
−
== PDP-11 ==
+
==PDP-11==
  
−
Ultrix was available for the [[PDP-11]] and can be obtained up to version 3.1 from [[The Unix Heritage Society's archive|TUHS]]. It will run under SIMH (and other PDP-11 emulators).
+
'''ULTRIX-11''' was available for the PDP-11 and can be obtained up to version 3.1 from the [[The Unix Heritage Society|TUHS]] archive (below). It will run under [[SIMH]] (and other PDP-11 emulators).
  
−
== VAX ==
+
These are the known ULTRIX-11 versions and predecessors:
 +
* 1981: Unix/v7m V2.1
 +
* 1982/83: V7M-11 V1.0 (= ULTRIX-11 V1.0)
 +
* 1984: ULTRIX-11 V2.0
 +
* 1986: ULTRIX-11 V3.0
 +
* 1987: ULTRIX-11 V3.1 (last version)
  
−
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.
+
==VAX==
  
−
== DECStation ==
+
'''ULTRIX-32''' (from version 4.0 onwards called: '''ULTRIX/VAX''') for the VAX was derived from [[4.2 BSD]] with some influences from [[UNIX System V|SYSV]] and included support for specific DEC technologies. The latest version is 4.5 from 1995. Earlier versions of ULTRIX-32 are available from TUHS. It will run under the VAX simulator in SIMH.
  
−
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]].
+
Timeline of the main VAX versions:
 +
* 1984: V1.0
 +
* 1986: V2.0
 +
* 1988: V3.0
 +
* 1990: V4.0
 +
 
 +
==DEC MIPS-based Computers==
 +
 
 +
ULTRIX/RISC for DECstation and DECsystem computers is not available from TUHS.  The latest version is 4.5 from 1995.  This version will also run, (Including CDE + X11!) under [[GXemul]].
 +
 
 +
==Y2K compatibility==
 +
 
 +
It's been confirmed that 4.0 is NOT Y2K compatible...  Not many UNIX from the 1990's or prior are so it's really no surprise...
 +
 
 +
==Running ULTRIX==
 +
 
 +
SIMH will run Ultrix.  Many simulators -if not all- of supported VAX computers are known to work.
 +
 
 +
Installation instructions for SIMH can be found at:
 +
* [[Installing ULTRIX-11 V1.0 on SIMH]]
 +
* [[Installing Ultrix V1.1 on SIMH]]
 +
* [[Advanced Installation of Ultrix V2.0 on SIMH]]
 +
* [[Setting Up RIS on ULTRIX V2.0]]
 +
* [[Installing and Configuring an ULTRIX V3.0 DMS Server on a SIMH MicroVAX 3900]]
 +
* [[Installing Ultrix 4.0 on SIMH]]
 +
* [[Installing Ultrix 4.5 on SIMH]]
 +
 
 +
==See also==
 +
 
 +
* [[ULTRIX Diskless Mangement Services]]
 +
* [[ULTRIX Remote Console]]
 +
 
 +
==External links==
 +
 
 +
* [https://www.tuhs.org/Archive/Distributions/DEC/ DEC] - various ULTRIX distros
 +
** [https://minnie.tuhs.org/cgi-bin/utree.pl?file=Ultrix-3.1 Ultrix-3.1] - PDP-11 version
 +
* [ftp://ifctfvax.harhan.org/pub/UNIX/thirdparty/Ultrix-32/sources/ Ultrix-32] - Sourcecode for Ultrix-32
  
 
{{Nav Unix}}
 
{{Nav Unix}}
 +
 +
[[Category: PDP-11 Operating Systems]]
 +
[[Category: VAX Operating Systems]]
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[[Category: DEC Operating Systems]]
 +
[[Category: Unix-based OS's]]
 +
[[Category: ULTRIX]]

Latest revision as of 02:59, 13 January 2024


ULTRIX
Ultrix40.png
Logging into an Ultrix 4.0 system
Type: Multi-tasking, multi-user Unix
Creator: Digital Equipment Corporation
Architecture: PDP-11, VAX, DECStation/DECsystem (RISC)
This Version: 4.5 for VAX and DECStation (1995)
Date Released: ULTRIX-11: 1982, ULTRIX-32: 1984


ULTRIX was DEC's official UNIX for VAX, PDP-11 and DECStation/DECsystem (RISC) equipment.

PDP-11

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

These are the known ULTRIX-11 versions and predecessors:

  • 1981: Unix/v7m V2.1
  • 1982/83: V7M-11 V1.0 (= ULTRIX-11 V1.0)
  • 1984: ULTRIX-11 V2.0
  • 1986: ULTRIX-11 V3.0
  • 1987: ULTRIX-11 V3.1 (last version)

VAX

ULTRIX-32 (from version 4.0 onwards called: ULTRIX/VAX) for the VAX was derived from 4.2 BSD with some influences from SYSV and included support for specific DEC technologies. The latest version is 4.5 from 1995. Earlier versions of ULTRIX-32 are available from TUHS. It will run under the VAX simulator in SIMH.

Timeline of the main VAX versions:

  • 1984: V1.0
  • 1986: V2.0
  • 1988: V3.0
  • 1990: V4.0

DEC MIPS-based Computers

ULTRIX/RISC for DECstation and DECsystem computers is not available from TUHS. The latest version is 4.5 from 1995. This version will also run, (Including CDE + X11!) under GXemul.

Y2K compatibility

It's been confirmed that 4.0 is NOT Y2K compatible... Not many UNIX from the 1990's or prior are so it's really no surprise...

Running ULTRIX

SIMH will run Ultrix. Many simulators -if not all- of supported VAX computers are known to work.

Installation instructions for SIMH can be found at:

See also

External links


v • d • e UNIX Versions, Vendors and Related
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