Digital UNIX


Web site: (not active)
Origin: USA
Category: Server, Workstation
Desktop environment: CDE
Architecture: Mach
Based on: BSD
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.


No download is available.




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.


mtXinu Mach386 MB920331020 floppy disks
md5sum: 6b16a43a9efe7406b33d7dfa7131ea1d