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MKFIFO Section: User Commands (1) Updated: August 1998 Index   NAME mkfifo - make FIFOs (named pipes)   SYNOPSIS mkfifo [options] file... POSIX options: [-m mode] GNU options (shortest form): [-m mode] [--help] [--version] [--]   DESCRIPTION mkfifo creates FIFOs (also called "named pipes") with the specified filenames. A "FIFO" is a special file type that permits independent processes to communicate. One process opens the FIFO file for writing, and another for reading, after which data can flow as with the usual anonymous pipe in shells or elsewhere. By default, the mode of created FIFOs is 0666 (`a+rw') minus the bits set in the umask.   OPTIONS -m mode, --mode=mode Set the mode of created FIFOs to mode, which can be symbolic as in and uses the default mode as the point of departure.   GNU STANDARD OPTIONS --help Print a usage message on standard output and exit successfully. --version Print version information on standard output, then exit successfully. -- Terminate option list.   ENVIRONMENT The variables LANG, LC_ALL, LC_CTYPE and LC_MESSAGES have the usual meaning.   CONFORMING TO POSIX 1003.2   NOTES This page describes mkfifo as found in the fileutils-3.16 package; other versions may differ slightly. Mail corrections and additions to aeb@cwi.nl and aw@mail1.bet1.puv.fi and ragnar@lightside.ddns.org . Report bugs in the program to fileutils-bugs@gnu.ai.mit.edu.   Index NAME SYNOPSIS DESCRIPTION OPTIONS GNU STANDARD OPTIONS ENVIRONMENT CONFORMING TO NOTES This document was created by using the manual pages. Time: 11:46:34 GMT, March 24, 2025

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