ls is a shell command for listing files – including special files such as directories. Originally developed for Unix and later codified by POSIX and Single...
12 KB (1,252 words) - 17:53, 23 April 2025
the long format of the ls command to represent the Unix file type as the first letter for an entry. The GNU coreutils version of ls calls the gnulib function...
7 KB (805 words) - 17:45, 25 April 2025
interactive command interpreter and command programming language developed for UNIX-like operating systems. Created in 1989 by Brian Fox for the GNU Project...
115 KB (9,534 words) - 02:27, 7 May 2025
In 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)...
6 KB (760 words) - 01:26, 1 November 2024
in common Unix verbiage): command1 | command2 | command3 For example, to list files in the current directory (ls), retain only the lines of ls output containing...
19 KB (2,328 words) - 01:19, 28 February 2025
fc is a standard program on Unix and Unix-like operating systems that lists, edits and re-executes commands previously entered to an interactive shell...
5 KB (503 words) - 06:59, 9 May 2025
Chmod (category Standard Unix programs)
flags collectively. The command originated in AT&T Unix version 1 and was exclusive to Unix and Unix-like operating systems until it was ported to other...
15 KB (1,529 words) - 09:06, 16 April 2025
Tee (command) (redirect from Tee (UNIX))
depending on the command's implementation. The command is available for Unix and Unix-like operating systems, Microware OS-9, DOS (e.g. 4DOS, FreeDOS), Microsoft...
12 KB (1,264 words) - 05:30, 14 January 2025
Shell script (redirect from Unix shell scripting)
the new script to still act as a fully normal Unix command. One example would be to create a version of ls, the command to list files, giving it a shorter...
23 KB (2,983 words) - 00:05, 12 May 2025
Cd (command) (redirect from Cd (MS-DOS / Unix Command))
operating system shells, most support a change directory command, including Unix and Unix-like (i.e. Linux) shells, and Microsoft shells including Command Prompt...
12 KB (1,234 words) - 14:22, 14 May 2025
Stat (system call) (redirect from Fstat (Unix))
-lu) ctime: when last status changed (ls -lc) stat() appeared in Version 1 Unix. It is among the few original Unix system calls to change, with Version...
16 KB (983 words) - 10:42, 12 May 2025
LS-DYNA is an advanced general-purpose multiphysics simulation software package developed by the former Livermore Software Technology Corporation (LSTC)...
15 KB (1,623 words) - 08:35, 16 December 2024
following, the ls command is run without any shell functions or aliases that may exist with the same name: $ command ls List of Unix commands "command...
2 KB (199 words) - 17:36, 16 February 2025
List of POSIX commands (redirect from List of Unix utilities)
1-2024, which is part of the Single UNIX Specification (SUS). These commands are commonly implemented in Unix and Unix-like shells and many are available...
23 KB (174 words) - 13:10, 14 May 2025
split is a utility on Unix, Plan 9, and Unix-like operating systems most commonly used to split a computer file into two or more smaller files. The split...
4 KB (437 words) - 05:53, 23 January 2025
ls, a command specified by POSIX and by the Single UNIX Specification; used for listing files .ls, the internet top-level domain for Lesotho Link-state...
4 KB (499 words) - 09:41, 20 February 2025
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
typically implemented using the statfs() or statvfs() system calls. The Single Unix Specification (SUS) specifies that space is reported in blocks of 512 bytes...
7 KB (897 words) - 21:00, 13 April 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
In Unix-like operating systems, find is a command-line utility that locates files based on some user-specified criteria and either prints the pathname...
24 KB (2,917 words) - 19:10, 2 November 2024
646 standard. Unix followed the Multics practice, and later Unix-like systems followed Unix. This created conflicts between Windows and Unix-like operating...
38 KB (4,309 words) - 01:54, 24 April 2025
Dir (command) (section Unix)
bytes 2 Dir(s) 332,659,789,824 bytes free Traditionally, Unix and Unix-like systems use the ls command for the needs that dir satisfies. But, the GNU operating...
11 KB (787 words) - 13:32, 23 April 2025
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...
15 KB (1,122 words) - 18:27, 29 April 2025
Alias (command) (redirect from Alias (Unix shell))
In Unix shells, an aliased word can be used without replacement by using quotes. For example, consider the following command that defines an alias ls that...
10 KB (1,057 words) - 13:30, 23 April 2025
text like the same-named C function. It is available in a variety of Unix and Unix-like systems. Some shells implement the command as builtin and some...
3 KB (336 words) - 14:36, 27 April 2025
File-system permissions (redirect from Unix permission)
is used in the long output format of command ls -l. The first character of the output indicates the Unix file type which is not a permission even though...
19 KB (2,011 words) - 10:39, 5 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
Multi-Environment Real-Time (redirect from UNIX-RTR)
(API) for kernel processes. If one has root on a UNIX-RTR system, they will surely soon find that their ls -l output is a bit different than expected. Namely...
12 KB (1,542 words) - 14:26, 3 January 2025
objects; not inherently with either the operating or file systems. The Unix-based ls shell command hides any file that starts with a dot (commonly called...
9 KB (1,005 words) - 00:43, 24 April 2025
its storage was not reused. Originally, developed for Unix, today it is also available on Unix-like systems, KolibriOS, IBM i,, EFI shell. and Windows...
16 KB (1,647 words) - 14:42, 15 May 2025