In computing, sort is a standard command line program of Unix and Unix-like operating systems, that prints the lines of its input or concatenation of all...
15 KB (1,122 words) - 18:27, 29 April 2025
list of elements Mainframe sort merge, sort utility for IBM mainframe systems Sort (Unix), which sorts the lines of a file Sort (C++), a function in the...
832 bytes (148 words) - 17:35, 8 May 2024
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) - 21:22, 22 June 2025
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...
19 KB (2,345 words) - 21:40, 7 July 2025
require the files to consist of lines of text, but works with any sort of data. Among Unix critics, cat(1) is considered the canonical example of bad user-interface...
13 KB (1,391 words) - 08:29, 10 July 2025
Ls (redirect from Ls (Unix and Linux command))
developed for Unix and later codified by POSIX and Single UNIX Specification, it is supported in many operating systems today, including Unix-like variants...
12 KB (1,252 words) - 17:53, 23 April 2025
Bogosort (redirect from Stupid sort/Bogo-sort)
Bogosort BogoSort on WikiWikiWeb Inefficient sort algorithms Bogosort: an implementation that runs on Unix-like systems, similar to the standard sort program...
15 KB (1,891 words) - 00:54, 9 June 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) - 19:28, 26 June 2025
interactive command interpreter and command programming language developed for UNIX-like operating systems. Created in 1989 by Brian Fox for the GNU Project...
94 KB (7,283 words) - 19:01, 12 July 2025
Daemon (computing) (redirect from Unix daemon)
computing systems, the term daemon is used almost exclusively in the context of Unix-based systems. In other contexts, different terms are used for the same concept...
13 KB (1,461 words) - 05:43, 26 May 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...
22 KB (1,356 words) - 04:00, 26 June 2025
join is a command in Unix and Unix-like operating systems that merges the lines of two sorted text files based on the presence of a common field. It is...
3 KB (377 words) - 23:36, 27 March 2025
Filter (software) (redirect from Filter (Unix))
string "foo" and prints them on its output. Common Unix filter programs are: cat, cut, grep, head, sort, tail, and uniq. Programs like awk and sed can be...
7 KB (776 words) - 01:49, 25 July 2023
The history of Unix dates back to the mid-1960s, when the Massachusetts Institute of Technology, Bell Labs, and General Electric were jointly developing...
60 KB (7,158 words) - 21:20, 6 July 2025
Douglas McIlroy (category Unix people)
known for having originally proposed Unix pipelines and developed several Unix tools, such as echo, spell, diff, sort, join, graph, speak, and tr. He was...
20 KB (1,677 words) - 02:38, 26 May 2025
In Unix and Unix-like operating systems, job control refers to control of jobs by a shell, especially interactively, where a "job" is a shell's representation...
10 KB (1,409 words) - 18:58, 13 May 2025
Comm (redirect from Comm (Unix))
input files to be sequenced in the same line collation order, sorted lexically. The sort (Unix) command can be used for this purpose. The comm algorithm makes...
7 KB (633 words) - 19:54, 12 December 2024
topological sort, Hu's algorithm is not unique and can be solved using DFS (by finding the largest path length and then assigning the jobs). tsort, a Unix program...
23 KB (3,170 words) - 16:32, 22 June 2025
Quicksort (redirect from Quick sort)
Quicksort gained widespread adoption, appearing, for example, in Unix as the default library sort subroutine. Hence, it lent its name to the C standard library...
73 KB (10,092 words) - 13:13, 11 July 2025
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...
25 KB (3,135 words) - 06:34, 12 June 2025
Tee (command) (redirect from Tee (UNIX))
provided by many shells although syntax varies. The command is provided in Unix and Unix-like systems, OS-9, DOS (e.g. 4DOS, FreeDOS), Windows (e.g. 4NT, PowerShell...
10 KB (1,042 words) - 18:44, 5 June 2025
system storage use – space used for a file or a directory tree. The Single UNIX Specification (SUS) specifies that by default, du reports the space allocated...
6 KB (633 words) - 19:53, 13 April 2025
Uniq (redirect from Uniq (Unix))
uniq is a utility command on Unix, Plan 9, Inferno, and Unix-like operating systems which, when fed a text file or standard input, outputs the text with...
4 KB (362 words) - 10:09, 25 July 2023
Tsort (redirect from Tsort (Unix))
Unix and Unix-like platforms, that performs a topological sort on its input. It is part of the POSIX.1 standard. and has been since The Single UNIX Specification...
8 KB (721 words) - 14:59, 9 May 2025
Darwin (operating system) (category Unix variants)
Darwin is the core Unix-like operating system of macOS, iOS, watchOS, tvOS, iPadOS, audioOS, visionOS, and bridgeOS. It previously existed as an independent...
46 KB (2,765 words) - 17:08, 16 July 2025
Qsort (category Sorting algorithms)
makes it unsuitable to properly sort the system's little-endian integers, or any other data structures. In Version 3 Unix, the interface is extended by...
8 KB (831 words) - 10:59, 8 July 2025
GNU Core Utilities (category Unix software)
coreutils is a collection of GNU software that implements many standard, Unix-based shell commands. The utilities generally provide POSIX compliant interface...
15 KB (1,182 words) - 12:58, 14 May 2025
Make (software) (redirect from Make (Unix))
via the operating system shell. Make is widely used, especially in Unix and Unix-like operating systems, even though many competing technologies and...
42 KB (4,400 words) - 11:27, 14 May 2025
standard English language spell checker for Unix, Plan 9, and Unix-like operating systems. Appearing in Version 6 Unix, spell was originally written by Stephen...
4 KB (389 words) - 10:11, 13 January 2025
files as a single archive file. Originally developed for Unix, it is widely available on Unix-based systems, and similar commands are available on other...
15 KB (1,543 words) - 23:13, 6 June 2025