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...
51 KB (5,461 words) - 21:52, 3 May 2025
computing, time is a command in Unix and Unix-like operating systems. It is used to determine the duration of execution of a particular command. time(1) can...
6 KB (760 words) - 01:26, 1 November 2024
Unix (/ˈjuːnɪks/ , YOO-niks; trademarked as UNIX) is a family of multitasking, multi-user computer operating systems that derive from the original AT&T...
59 KB (6,135 words) - 21:49, 25 April 2025
Multi-Environment Real-Time (MERT), later renamed UNIX Real-Time (UNIX-RT), is a hybrid time-sharing and real-time operating system developed in the 1970s...
12 KB (1,542 words) - 14:26, 3 January 2025
Year 2038 problem (redirect from Unix time overflow)
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...
28 KB (3,065 words) - 12:55, 17 May 2025
elapsed real time, and other information for all processes and updates it in real time. The Unix command time prints CPU time and elapsed real time for the...
9 KB (1,182 words) - 11:11, 2 December 2024
Unix time is usually converted to local time when displayed to the user, and times specified by the user in local time are converted to Unix time. The...
91 KB (5,698 words) - 04:39, 16 May 2025
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) - 21:02, 8 January 2025
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...
17 KB (844 words) - 10:07, 18 May 2025
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
A Unix-like (sometimes referred to as UN*X, *nix or *NIX) operating system is one that behaves in a manner similar to a Unix system, although not necessarily...
16 KB (1,799 words) - 00:45, 24 April 2025
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...
8 KB (529 words) - 06:03, 17 December 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 (2,178 words) - 21:34, 17 February 2025
List of POSIX commands (redirect from List of Unix utilities)
which is part of the Single UNIX Specification (SUS). These commands are implemented in many shells on modern Unix, Unix-like and other operating systems...
22 KB (168 words) - 21:13, 18 May 2025
The history of Unix dates back to the mid-1960s, when the Massachusetts Institute of Technology, Bell Labs, and General Electric were jointly developing...
55 KB (6,664 words) - 17:04, 17 May 2025
Epoch (computing) (redirect from NT Time Epoch)
time. For instance, Unix and POSIX measure time as the number of seconds that have passed since Thursday 1 January 1970 00:00:00 UT, a point in time known...
26 KB (1,732 words) - 22:56, 2 May 2025
For example, Unix and POSIX-compliant systems encode system time ("Unix time") as the number of seconds elapsed since the start of the Unix epoch at 1 January...
30 KB (1,630 words) - 09:42, 28 April 2025
When a text file with a shebang is used as if it were an executable in a Unix-like operating system, the program loader mechanism parses the rest of the...
25 KB (3,233 words) - 02:29, 17 March 2025
Man page (redirect from Man (Unix))
(short for manual page) is a form of software documentation found on Unix and Unix-like operating systems. Topics covered include programs, system libraries...
26 KB (2,663 words) - 15:03, 13 May 2025
In most Unix and Unix-like operating systems, the ps (process status) program displays the currently-running processes. The related Unix utility top provides...
6 KB (524 words) - 09:55, 3 January 2025
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 (3,102 words) - 13:24, 25 April 2025
MASSCOMP (redirect from Real Time Unix (Concurrent))
MASSCOMP MC-500 is a 68000-based microcomputer running a real-time variant of the Unix operating system. For a small company, MASSCOMP incorporated a...
4 KB (370 words) - 02:50, 10 November 2023
10 'beats' Metric time New Earth Time Unix time at page generation ".Beat Swatch® Internet Time Wiki". beats.wiki. "INTERNET TIME". www.swatch.com. As...
11 KB (1,181 words) - 20:06, 18 May 2025
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...
13 KB (1,131 words) - 10:05, 8 January 2025
The Unix wars were struggles between vendors to set a standard for the Unix operating system in the late 1980s and early 1990s. Both AT&T Corporation...
8 KB (1,004 words) - 00:01, 14 May 2025
which is from the Latin catenare meaning "to chain" Originally developed for Unix, it is available on many operating systems and shells today. In addition...
14 KB (1,503 words) - 17:35, 13 May 2025
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) - 14:20, 13 April 2025
Berkeley Software Distribution (redirect from BSD Unix)
Berkeley Software Distribution (BSD), also known as Berkeley Unix or BSD Unix, is a discontinued Unix operating system developed and distributed by the Computer...
26 KB (2,872 words) - 11:34, 2 May 2025
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...
5 KB (659 words) - 16:02, 3 November 2024
At (command) (redirect from At (Unix command))
at a future time; once. The command was developed for Unix and is available on Unix and Unix-like systems, Windows, and ReactOS On Unix-like operating...
8 KB (866 words) - 14:00, 23 April 2025