top (table of processes) is a task manager or system monitor program, found in many Unix-like operating systems, that displays information about CPU and...

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

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...

among commercial UNIX implementations, as it is built on top of the Mach kernel developed at Carnegie Mellon University. (Other UNIX and UNIX-like implementations...

most Unix and Unix-like operating systems, the ps (process status) program displays the currently-running processes. The related Unix utility top provides...

file system, and primarily used in the Unix and Unix-like operating systems, the root directory is the first or top-most directory in a hierarchy. It can...

nice is a program found on Unix and Unix-like operating systems such as Linux. It directly maps to a kernel call of the same name. nice is used to invoke...

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...

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...

A Unix architecture is a computer operating system system architecture that embodies the Unix philosophy. It may adhere to standards such as the Single...

cigarettes Top Air, Indonesian airline company Top Oil, Irish oil company Top (software), a standard Unix program .top domain, a gTLD (generic top level domain)...

viewed using the command dirs in Unix or Get-Location -stack in PowerShell. The current working directory is always at the top of the stack. The pushd ('push...

Unix program top. It shows a frequently updated list of the processes running on a computer, normally ordered by the amount of CPU usage. Unlike top,...

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

sed ("stream editor") is a Unix utility that parses and transforms text, using a simple, compact programming language. It was developed from 1973 to 1974...

used to bring the command line on top of the computer terminal. It is available in various Unix shells on Unix and Unix-like operating systems as well as...

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...

XNU ("X is Not Unix") is the computer operating system (OS) kernel developed at Apple Inc. since December 1996 for use in the Mac OS X (now macOS) operating...

(album), an album by ASAP Rocky .test, a reserved top-level domain Software testing test (Unix), a Unix command for evaluating conditional expressions TEST...

UUCP (Unix-to-Unix Copy) is a suite of computer programs and protocols allowing remote execution of commands and transfer of files, email and netnews between...

In computing, particularly in the context of the Unix operating system and its workalikes, fork is an operation whereby a process creates a copy of itself...

less is a terminal pager program on Unix, Windows, and Unix-like systems used to view (but not change) the contents of a text file one screen at a time...

SunOS is a Unix-branded operating system developed by Sun Microsystems for their workstation and server computer systems. The SunOS name is usually only...

February 1993 with support for POSIX and other standards. z/OS UNIX System Services is built on top of MVS services and cannot run independently. While IBM initially...

eXecutive, pronounced /ˌeɪ.aɪ.ˈɛks/ ay-eye-EKS) is a series of proprietary Unix operating systems developed and sold by IBM for several of its computer platforms...

Unix Expo was a conference and trade show that focused on the Unix operating system, and software based on Unix, in the information technology sector...

/ˌviːˈaɪ/ ) is a screen-oriented text editor originally created for the Unix operating system. The portable subset of the behavior of vi and programs...

Science Research Center (CSRC) at Bell Labs in the mid-1980s and built on UNIX concepts first developed there in the late 1960s. Since 2000, Plan 9 has...

result from a Unix shell by running the uptime command: $ uptime 14:34:03 up 10:43, 4 users, load average: 0.06, 0.11, 0.09 The w and top commands show...