Unix (/ˈjuːnɪks/ , YOO-niks; trademarked as UNIX) is a family of multitasking, multi-user computer operating systems that derive from the original AT&T...
53 KB (5,614 words) - 11:09, 28 June 2024
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...
15 KB (1,777 words) - 07:07, 7 June 2024
Current Unix time 1720518662 (refresh page to update) 2024-07-09T09:51:02+00:00 Unix time is a date and time representation widely used in computing. It...
51 KB (5,418 words) - 07:52, 26 June 2024
Berkeley Software Distribution (redirect from BSD Unix)
Distribution (BSD) is a discontinued operating system based on Research Unix, developed and distributed by the Computer Systems Research Group (CSRG)...
26 KB (2,838 words) - 18:34, 15 June 2024
When a text file with a shebang is used as if it is an executable in a Unix-like operating system, the program loader mechanism parses the rest of the...
25 KB (3,229 words) - 14:04, 3 July 2024
The Unix philosophy, originated by Ken Thompson, is a set of cultural norms and philosophical approaches to minimalist, modular software development. It...
18 KB (2,169 words) - 11:58, 6 June 2024
Man page (redirect from Man (Unix))
manual page) is a form of software documentation usually found on a Unix or Unix-like operating system. Topics covered include computer programs (including...
25 KB (2,550 words) - 22:29, 17 June 2024
GNU (redirect from GNU's Not Unix)
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...
34 KB (3,101 words) - 22:54, 4 July 2024
List of POSIX commands (redirect from List of Unix utilities)
applications List of Unix daemons List of web browsers for Unix and Unix-like operating systems Unix philosophy util-linux The Wikibook Guide to UNIX has a page...
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Single UNIX Specification (SUS) is a standard for computer operating systems, compliance with which is required to qualify for using the "UNIX" trademark...
39 KB (3,844 words) - 09:04, 9 June 2024
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...
29 KB (3,044 words) - 14:28, 24 May 2024
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...
17 KB (853 words) - 22:27, 24 June 2024
Year 2038 problem (redirect from Unix date bug)
19 January 2038. The problem exists in systems which measure Unix time—the number of seconds elapsed since the Unix epoch (00:00:00 UTC on 1 January 1970)—and store...
27 KB (2,889 words) - 03:35, 5 July 2024
A Unix domain socket (UDS) or IPC socket (inter-process communication) is a data communications endpoint for exchanging data between processes executing...
4 KB (412 words) - 20:55, 20 June 2024
Daemon (computing) (redirect from Unix daemon)
facility, and sshd is a daemon that serves incoming SSH connections. In a Unix environment, the parent process of a daemon is often, but not always, the...
11 KB (1,340 words) - 05:11, 16 May 2024
In Unix-like computer operating systems, a pipeline is a mechanism for inter-process communication using message passing. A pipeline is a set of processes...
18 KB (2,144 words) - 12:30, 15 June 2024
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...
25 KB (2,193 words) - 22:40, 2 May 2024
A Unix shell is a command-line interpreter or shell that provides a command line user interface for Unix-like operating systems. The shell is both an interactive...
17 KB (1,733 words) - 20:00, 11 July 2024
The history of Unix dates back to the mid-1960s, when the Massachusetts Institute of Technology, AT&T Bell Labs, and General Electric were jointly developing...
54 KB (6,493 words) - 17:27, 30 June 2024
their definitions. "UNIX-like" is commonly used to refer to the large set of operating systems which resemble the original UNIX. Unix-like systems run on...
95 KB (10,973 words) - 14:53, 8 July 2024
Tru64 UNIX is a discontinued 64-bit UNIX operating system for the Alpha instruction set architecture (ISA), currently owned by Hewlett-Packard (HP). Previously...
13 KB (936 words) - 07:27, 8 January 2024
Cron (redirect from Crontab (Unix command))
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...
27 KB (3,307 words) - 21:09, 23 March 2024
cat is a standard Unix utility that reads files sequentially, writing them to standard output. The name is derived from its function to (con)catenate files...
14 KB (1,458 words) - 14:57, 5 July 2024
Cd (command) (redirect from Cd (MS-DOS / Unix Command))
batch files. The command has been implemented in operating systems such as Unix, DOS, IBM OS/2, MetaComCo TRIPOS, AmigaOS (where if a bare path is given...
14 KB (1,431 words) - 15:49, 28 May 2024
In computing, tty is a command in Unix and Unix-like operating systems to print the file name of the terminal connected to standard input. tty stands...
2 KB (201 words) - 15:54, 1 January 2024
Shell script (redirect from Unix shell scripting)
A shell script is a computer program designed to be run by a Unix shell, a command-line interpreter. The various dialects of shell scripts are considered...
23 KB (2,981 words) - 15:30, 29 September 2023
Unix security refers to the means of securing a Unix or Unix-like operating system. A core security feature in these systems is the file system permissions...
5 KB (524 words) - 17:36, 15 April 2024
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...
13 KB (1,165 words) - 12:46, 21 January 2024
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...
16 KB (944 words) - 07:33, 17 March 2024
df (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...
8 KB (980 words) - 00:35, 4 June 2024