Venix
Encyclopedia
Venix was a version of the Unix
operating system
developed by VenturCom.
Venix 2.0, based on System III
, ran on the DEC
PRO-350 microcomputer
(Venix/PRO), the DEC
Rainbow 100
(Venix/86R) as well as PCs
(Venix/86 and /286). It was released in 1984. From version 3.0, Venix was based on System V
.
Venix also included some features of BSD
, such as csh
and vi
.
The last version Venix 4.2.1 based on UNIX System V Release 4.2 (UnixWare) was released in 1994. The workstation system included the real-time operating system, NFS and TCP/IP networking, X
, OpenLook and Motif
GUIs and the Veritas journaling File System (vxfs). A development system included additionally an ANSI C
compiler, a library of real-time functions, GUI development software, real-time development utilities, and selected industrial I/O device drivers.
Unix
Unix is a multitasking, multi-user computer operating system originally developed in 1969 by a group of AT&T employees at Bell Labs, including Ken Thompson, Dennis Ritchie, Brian Kernighan, Douglas McIlroy, and Joe Ossanna...
operating system
Operating system
An operating system is a set of programs that manage computer hardware resources and provide common services for application software. The operating system is the most important type of system software in a computer system...
developed by VenturCom.
Venix 2.0, based on System III
UNIX System III
UNIX System III was a version of the Unix operating system released by AT&T's Unix Support Group . It was first released outside of Bell Labs in 1982. UNIX System III was a mix of various AT&T Unixes: PWB/UNIX 2.0, CB UNIX 3.0, UNIX/TS 3.0.1 and UNIX/32V...
, ran on the DEC
Digital Equipment Corporation
Digital Equipment Corporation was a major American company in the computer industry and a leading vendor of computer systems, software and peripherals from the 1960s to the 1990s...
PRO-350 microcomputer
Microcomputer
A microcomputer is a computer with a microprocessor as its central processing unit. They are physically small compared to mainframe and minicomputers...
(Venix/PRO), the DEC
Digital Equipment Corporation
Digital Equipment Corporation was a major American company in the computer industry and a leading vendor of computer systems, software and peripherals from the 1960s to the 1990s...
Rainbow 100
Rainbow 100
The Rainbow 100 was a microcomputer introduced by Digital Equipment Corporation in 1982. This desktop unit had the video-terminal display circuitry from the VT102, a video monitor similar to the VT220 in a dual-CPU box with both Zilog Z80 and Intel 8088 CPUs.The Rainbow 100 was a triple-use...
(Venix/86R) as well as PCs
IBM PC
The IBM Personal Computer, commonly known as the IBM PC, is the original version and progenitor of the IBM PC compatible hardware platform. It is IBM model number 5150, and was introduced on August 12, 1981...
(Venix/86 and /286). It was released in 1984. From version 3.0, Venix was based on System V
UNIX System V
Unix System V, commonly abbreviated SysV , is one of the first commercial versions of the Unix operating system. It was originally developed by American Telephone & Telegraph and first released in 1983. Four major versions of System V were released, termed Releases 1, 2, 3 and 4...
.
Venix also included some features of BSD
Berkeley Software Distribution
Berkeley Software Distribution is a Unix operating system derivative developed and distributed by the Computer Systems Research Group of the University of California, Berkeley, from 1977 to 1995...
, such as csh
C shell
The C shell is a Unix shell that was created by Bill Joy while a graduate student at University of California, Berkeley in the late 1970s. It has been distributed widely, beginning with the 2BSD release of the BSD Unix system that Joy began distributing in 1978...
and vi
Vi
vi is a screen-oriented text editor originally created for the Unix operating system. The portable subset of the behavior of vi and programs based on it, and the ex editor language supported within these programs, is described by the Single Unix Specification and POSIX.The original code for vi...
.
The last version Venix 4.2.1 based on UNIX System V Release 4.2 (UnixWare) was released in 1994. The workstation system included the real-time operating system, NFS and TCP/IP networking, X
X Window System
The X window system is a computer software system and network protocol that provides a basis for graphical user interfaces and rich input device capability for networked computers...
, OpenLook and Motif
Motif (widget toolkit)
In computing, Motif refers to both a graphical user interface specification and the widget toolkit for building applications that follow that specification under the X Window System on Unix and other POSIX-compliant systems. It emerged in the 1980s as Unix workstations were on the rise, as a...
GUIs and the Veritas journaling File System (vxfs). A development system included additionally an ANSI C
ANSI C
ANSI C refers to the family of successive standards published by the American National Standards Institute for the C programming language. Software developers writing in C are encouraged to conform to the standards, as doing so aids portability between compilers.-History and outlook:The first...
compiler, a library of real-time functions, GUI development software, real-time development utilities, and selected industrial I/O device drivers.