Digital UNIX

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Web site: (not active)
Origin: USA
Category: Server, Workstation
Desktop environment: CDE
Architecture: Mach
Based on: BSD
Wikipedia:
Media: Install
The last version | Released: 5.1 (?) | 2001 (?)

Digital UNIX (previously: OSF/1 or DUNIX) – a 64-bit advanced kernel architecture based on Mach V2.5 kernel design with components from Berkeley Software Distribution (BSD) 4.3 and 4.4, UNIX® System V, and other sources. Mach is a kernel developed at Carnegie Mellon University to support operating system research, primarily distributed and parallel computing.

Digital UNIX is DIGITAL Equipment Corporation’s implementation of the Open Software Foundation™ OSF/1 R1.0, R1.1, and R1.2 technology, and the Motif graphical user interface and programming environment.

It supports following file systems: Berkeley UFS, AdVFS, NFS, ISO9660, FAT, SMB, DFS.

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ULTRIX

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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 V Release 2 Contain various improvements that are specific to the digital hardware systems.

First Ultrix-32 was based on 4.2BSD with some of the features of System V, and released in 1984.
Its purpose was to be a pure UNIX for VAX with support for DEC. Later, Ultrix-32 added support for DECnet DEC and other appropriate protocols such as LAT.

ULTRIX runs on VAX and MIPS (R2000, R3000 or R4000 series).

The file systems support:
– can read/write: UFS (RW)e36, NFS (RW)e36
– can read: ISO 9660 (R)e100
– can read/write through third party or optional software: FAT (RW)w55 [using “mtools”, a set of MS-DOS utilities for UNIX, SMB (through SAMBA)

The latest version Ultrix-11 V4.5 was released in November 1995.

The Digital Equipment Corporation was bought in 1998 by Compaq, and starting from 2002 the Compaq is a part of Hewlett-Packard.

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mtXinu

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Web site: (not active)
Origin: USA
Category: Workstation
Desktop environment: X11
Architecture: Mach 386
Based on: BSD
Wikipedia: mtXinu
Media: Install floppy disks
The last version | Released: ? | 1991 ?

mtXinu (reverse of UNIX TM) – a software company created in 1983, which produced the two operating systems. mtXinu was commercially licensed version of the BSD UNIX operating system for the DEC VAX. VAX is a line of computers developed by Digital Equipment Corporation (DEC) in the mid-1970s.

The initial version was based on 4.1cBSD; later versions were based on 4.2 and 4.3BSD. more / BSD was actually mtXinu version 4.3BSD-Tahoe for VAX and HP 9000, which contained the HPBSD a University of Utah.

In 1991 mtXinu changed its name to Xinet.

The compressed zip file contains binary floppy disks of mtXinu Mach386 of: bootstrap, file system, DUI, base system, on line documents, networking and X window system.

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mtXinu Mach386 MB920331020 floppy disks 35MB.zip
md5sum: 6b16a43a9efe7406b33d7dfa7131ea1d

 

Caldera

Caldera OpenLinux

Web site: (not active)
Origin: USA
Category: Workstation, Server
Desktop environment: GNOME, KDE
Architecture: x86
Based on: LST Power Linux
Wikipedia: Caldera OpenLinux
Media: Install
The last version | Released: 3.1.1 | June 1, 2002

Caldera OpenLinux – a based on LST Power Linux, a Slackware-derived distribution that had been maintained by Linux Support Team since 1993 and the first to come with a Linux 2.0 kernel. It was developed by Caldera Systems (now SCO Group) since 1998.

Caldera Systems created a full featured GUI system administration tool called Caldera Open Administration System (COAS). The tool was a unified, easy to use administration tool with a modular design. With its scalability and broad scope abilities.

Source: wikipedia.org; License: Creative Commons Attribution-ShareAlike License;

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Caldera OpenLinux 3.1 Workstation i386 661MB.iso
md5sum: 9435023bc5fae5086dbb6505fabcd1dd
Caldera OpenLinux 3.1 Server i386 637MB.iso
md5sum: 25fee2586812ccf5bc5dd02cfef8012b