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This is a list of commands from the GNU Core Utilities for Unix environments. These commands can be found on Unix operating systems and most Unix-like operating systems. GNU Core Utilities include basic file, shell and text manipulation utilities. Coreutils includes all of the basic command-line tools that are expected in a POSIX system.
In computing, exit is a command used in many operating system command-line shells and scripting languages. The command causes the shell or program to terminate . If performed within an interactive command shell, the user is logged out of their current session , and/or user's current console or terminal connection is disconnected.
This is a list of POSIX (Portable Operating System 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 systems and most Unix-like operating systems.
ping is a computer network administration software utility used to test the reachability of a host on an Internet Protocol (IP) network. It is available in a wide range of operating systems – including most embedded network administration software.
Free and open-source software portal; Boyer–Moore string-search algorithm; agrep, an approximate string-matching command; find (Windows) or Findstr, a DOS and Windows command that performs text searches, similar to a simple grep; find (Unix), a Unix command that finds files by attribute, very different from grep; List of Unix commands; vgrep ...
Paping (pronounced pah ping) is a computer network administration utility used to test the reachability of a host on an Internet Protocol (TCP/IP) network and to measure the time it takes to connect to a specified port. The name is a play on the word ping, another computer network administration utility.
The exit operation typically performs clean-up operations within the process space before returning control back to the operating system. Some systems and programming languages allow user subroutines to be registered so that they are invoked at program termination before the process actually terminates for good.
-d turn on debugging -l search for and display the longest cycle. -q Do not display informational messages about cycles. GNU provides the following options only: --help display help message and exit --version display version information and exit There are no options prescribed by POSIX.