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...

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...

Unix (/ˈjuːnɪks/ , YOO-niks; trademarked as UNIX) is a family of multitasking, multi-user computer operating systems that derive from the original AT&T...

The Unix file system (UFS) is a family of file systems supported by many Unix and Unix-like operating systems. It is a distant descendant of the original...

A Unix-like (sometimes referred to as UN*X or *nix) operating system is one that behaves in a manner similar to a Unix system, although not necessarily...

Unix System Laboratories (USL), sometimes written UNIX System Laboratories to follow relevant trademark guidelines of the time, was an American software...

UNIX System III (or System 3) is a discontinued version of the Unix operating system released by AT&T's Unix Support Group (USG). AT&T announced System...

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

that almost all Unix-based and Unix-like operating systems descend.) Unix System III Unix System IVPhysics Unix System V Unix System V Releases 2.0, 3...

Xenix is a discontinued version of the Unix operating system for various microcomputer platforms, licensed by Microsoft from AT&T Corporation in the late...

subsystem of UNIX System V is one of several standardized systems for printing on Unix, and is typical of commercial System V-based Unix versions such...

the group's vision for Unix: What we wanted to preserve was not just a good environment in which to do programming, but a system around which a fellowship...

(abbreviation for disk free) is a standard Unix command used to display the amount of available disk space for file systems on which the invoking user has appropriate...

The Unix System (ISBN 0-201-13791-7, ISBN 978-0201137910) is a book by Stephen R. Bourne. Published in 1982, it was the first widely available general...

In Unix and operating systems inspired by it, the file system is considered a central component of the operating system. It was also one of the first parts...

Single UNIX Specification (SUS) is a standard for computer operating systems, compliance with which is required to qualify for using the "UNIX" trademark...

Tru64 UNIX is a discontinued 64-bit UNIX operating system for the Alpha instruction set architecture (ISA), currently owned by Hewlett-Packard (HP). Previously...

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...

A/UX is a Unix-based operating system from Apple Computer for Macintosh computers, integrated with System 7's graphical interface and application compatibility...

In computer networking, STREAMS is the native framework in Unix System V for implementing character device drivers, network protocols, and inter-process...

and now owned by Xinuos. Early versions of OpenServer were based on UNIX System V, while the later OpenServer 10 is based on FreeBSD 10. However, OpenServer...

Packard Unix") is Hewlett Packard Enterprise's proprietary implementation of the Unix operating system, based on Unix System V (initially System III) and...

for "GNU's Not Unix!", chosen because GNU's design is Unix-like, but differs from Unix by being free software and containing no Unix code. Stallman chose...

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...

The cron command-line utility is a job scheduler on Unix-like operating systems. Users who set up and maintain software environments use cron to schedule...

byte-range advisory Network Lock Manager (NLM) protocol (added to support UNIX System V file locking APIs) the remote quota-reporting (RQUOTAD) protocol, which...

Amiga Unix (informally known as Amix) is a discontinued full port of AT&T Unix System V Release 4 operating system developed by Commodore-Amiga, Inc. in...

In Unix-based computer operating systems, init (short for initialization) is the first process started during booting of the operating system. Init is...

on UNIX System V Release 4 and are marketed under the brand name Solaris. SunOS 1 only supported the Sun-2 series systems, including Sun-1 systems upgraded...

system and Verex kernel that Cheriton had developed in the 1970s. Despite similar names and close development dates, it is unrelated to UNIX System V...