Version 7 Unix, also called Seventh Edition Unix, Version 7 or just V7, was an important early release of the Unix operating system. V7, released in 1979...

Research Unix refers to the early versions of the Unix operating system for DEC PDP-7, PDP-11, VAX and Interdata 7/32 and 8/32 computers, developed in...

Edition Unix, also called Version 6 Unix or just V6 is a version of the Unix operating system first released in May 1975 and the first version of the Unix operating...

Single UNIX Specification, Version 4 (SUSv4). This SUS consists of: Base Specifications, Issue 7 Base Definitions, Issue 7 System Interfaces, Issue 7 Shell...

systems. It is a distant descendant of the original filesystem used by Version 7 Unix. A UFS volume is composed of the following parts: A few blocks at the...

A Unix shell is a shell that provides a command-line user interface for a Unix-like operating system. A Unix shell provides a command language that can...

UnixWare is a Unix operating system. It was originally released by Univel, a jointly owned venture of AT&T's Unix System Laboratories (USL) and Novell...

(AIX). The early versions of Unix—which are retrospectively referred to as "Research Unix"—ran on computers such as the PDP-11 and VAX; Unix was commonly...

certified to any version of the Single UNIX Specification. A Unix-like application is one that behaves like the corresponding Unix command or shell....

modern Unix, Unix-like and other operating systems. This list does not cover commands for all versions of Unix and Unix-like shells nor other versions of...

Unix System V (pronounced: "System Five") is one of the first commercial versions of the Unix operating system. It was originally developed by AT&T and...

A Commentary on the Sixth Edition UNIX Operating System by John Lions (later reissued as Lions' Commentary on UNIX 6th Edition and commonly referred to...

but support for shell scripts, is apparent in the documentation from Version 7 Unix in 1979, which describes instead a facility of the Bourne shell where...

UNIX/32V is an early version of the Unix operating system from Bell Laboratories, released in June 1979. 32V was a direct port of the Seventh Edition Unix...

platform, is the first Open Brand UNIX 03 registered version of macOS. It was also the first BSD-based OS to receive UNIX 03 certification. Leopard dropped...

Bell Labs in 1982. UNIX System III was a mix of various AT&T Unix systems: Version 7 Unix, PWB/UNIX 2.0, CB UNIX 3.0, UNIX/RT and UNIX/32V. System III supported...

tr is a command in Unix, Plan 9, Inferno, and Unix-like operating systems. It is an abbreviation of translate or transliterate, indicating its operation...

compatible with any version of POSIX. Starting with Leopard, macOS has been certified as compatible with the Single UNIX Specification version 3 (SUSv3). The...

compiler-compiler to PDP-7 assembly, creating the first high-level language running on Unix. Thompson used this tool to develop the first version of his B programming...

designed and implemented by Ken Thompson in the first experimental version of Unix, dated 1969. As in other operating systems, the filesystem provides...

Each version of the UNIX Time-Sharing System evolved from the version before, with version one evolving from the prototypal Unix. Not all variants and...

wc (short for word count) is a command in Unix, Plan 9, Inferno, and Unix-like operating systems. The program reads either standard input or a list of...

the topic of: Commands List of Unix commands talk (Unix) wall (Unix) write(1) – Version 7 Unix Programmer's Manual Unix Programmer's Manual (PDF) (1st ed...

1970, the Unix epoch. For example, at midnight on 1 January 2010, Unix time was 1262304000. Unix time originated as the system time of Unix operating...

compatibility with Unix Version 7, i.e., a number of Unix tools and applications could be ported to UniFLEX – if size allowed: Unix on a PDP-11 limited...

S8000 computer came out with a version of Unix called ZEUS (Zilog Enhanced Unix System). ZEUS was a port of Unix Version 7 and included what were referred...

a database of quotations. Early versions of the program appeared in Version 7 Unix in 1979. The most common version on modern systems is the BSD fortune...

(short for manual page) is a form of software documentation found on Unix and Unix-like operating systems. Topics covered include programs, system libraries...

Retrieved 7 August 2015. "The Single UNIX Specification, Version 4 - Overview". unix.org. unix.org. Retrieved 7 August 2015. The Wikibook Guide to Unix has...

z/OS UNIX System Services (z/OS UNIX, or informally USS) is a base element of z/OS. z/OS UNIX is a certified UNIX operating system implementation (XPG4...