Interface) commands as specified by IEEE Std 1003.1-2024, which is part of the Single UNIX Specification (SUS). These commands can be found on Unix operating...
22 KB (173 words) - 00:53, 21 July 2024
used in shell scripts and batch files. The command has been implemented in operating systems such as Unix, DOS, IBM OS/2, MetaComCo TRIPOS, AmigaOS (where...
14 KB (1,431 words) - 15:49, 28 May 2024
The command command in Unix and Unix-like operating systems is a utility to execute a command. It is specified in the POSIX standard. It is present in...
1 KB (99 words) - 11:39, 17 February 2023
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) - 06:30, 19 July 2024
Ls (redirect from Ls (Unix and Linux command))
ls is a command to list computer files and directories in Unix and Unix-like operating systems. It is specified by POSIX and the Single UNIX Specification...
13 KB (1,326 words) - 06:52, 5 January 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
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
any version of the Single UNIX Specification. A Unix-like application is one that behaves like the corresponding Unix command or shell. Although there...
15 KB (1,777 words) - 07:07, 7 June 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) - 03:27, 27 July 2024
rm (short for remove) is a basic command on Unix and Unix-like operating systems used to remove objects such as computer files, directories and symbolic...
17 KB (1,896 words) - 08:06, 25 July 2023
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 (3,842 words) - 04:59, 31 July 2024
The ln command is a standard Unix command utility used to create a hard link or a symbolic link (symlink) to an existing file or directory. The use of...
10 KB (1,099 words) - 15:49, 4 September 2023
touch is a command used to update the access date and/or modification date of a computer file or directory. It is included in Unix and Unix-like operating...
7 KB (577 words) - 13:15, 27 September 2023
In computing, cp is a command in various Unix and Unix-like operating systems for copying files and directories. The command has three principal modes...
9 KB (1,076 words) - 05:28, 8 December 2023
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
tr is a command in Unix, Plan 9, Inferno, and Unix-like operating systems. It is an abbreviation of translate or transliterate, indicating its operation...
6 KB (640 words) - 09:56, 25 July 2023
The Unix command su, which stands for 'substitute user' (or historically 'superuser'), is used by a computer user to execute commands with the privileges...
7 KB (655 words) - 09:12, 25 July 2023
wc (short for word count) is a command in Unix, Plan 9, Inferno, and Unix-like operating systems. The program reads either standard input or a list of...
5 KB (521 words) - 13:46, 27 December 2023
tail is a program available on Unix, Unix-like systems, FreeDOS and MSX-DOS used to display the tail end of a text file or piped data. The version of tail...
8 KB (846 words) - 00:13, 4 July 2024
dig is a network administration command-line tool for querying the Domain Name System (DNS). dig is useful for network troubleshooting and for educational...
7 KB (709 words) - 18:32, 9 June 2024
head is a program on Unix and Unix-like operating systems used to display the beginning of a text file or piped data. The command syntax is: head [options]...
4 KB (319 words) - 12:39, 14 April 2024
dd is a command-line utility for Unix, Plan 9, Inferno, and Unix-like operating systems and beyond, the primary purpose of which is to convert and copy...
27 KB (2,989 words) - 19:05, 29 July 2024
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) - 20:16, 15 June 2024
The computer tool patch is a Unix program that updates text files according to instructions contained in a separate file, called a patch file. The patch...
8 KB (946 words) - 15:53, 3 August 2024
mv is a Unix command that moves one or more files or directories from one place to another. If both filenames are on the same filesystem, this results...
8 KB (947 words) - 21:39, 26 September 2023
In computer software, strings is a program in Unix, Plan 9, Inferno, and Unix-like operating systems that finds and prints the strings of printable characters...
3 KB (284 words) - 05:56, 29 May 2024
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 (3,229 words) - 06:56, 20 July 2024
Env (redirect from Env (Unix))
env is a shell command for Unix and Unix-like operating systems. It is used to either print a list of environment variables or run another utility in...
5 KB (554 words) - 09:36, 8 August 2022
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 (2,328 words) - 15:21, 22 July 2024
Grep (redirect from Grep (Unix))
effect. grep was originally developed for the Unix operating system, but later available for all Unix-like systems and some others such as OS-9. Before...
16 KB (1,455 words) - 05:31, 11 June 2024