php man page for mkfifo

MKFIFO(1)							   User Commands							 MKFIFO(1)

NAME
       mkfifo - make FIFOs (named pipes)

SYNOPSIS
       mkfifo [OPTION]... NAME...

DESCRIPTION
       Create named pipes (FIFOs) with the given NAMEs.

       Mandatory arguments to long options are mandatory for short options too.

       -m, --mode=MODE
	      set file permission bits to MODE, not a=rw - umask

       -Z     set the SELinux security context to default type

       --context[=CTX]
	      like -Z, or if CTX is specified then set the SELinux or SMACK security context to CTX

       --help display this help and exit

       --version
	      output version information and exit

AUTHOR
       Written by David MacKenzie.

REPORTING BUGS
       GNU coreutils online help: <http://www.gnu.org/software/coreutils/>
       Report mkfifo translation bugs to <http://translationproject.org/team/>

COPYRIGHT
       Copyright (C) 2017 Free Software Foundation, Inc.  License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.
       This is free software: you are free to change and redistribute it.  There is NO WARRANTY, to the extent permitted by law.

SEE ALSO
       mkfifo(3)

       Full documentation at: <http://www.gnu.org/software/coreutils/mkfifo>
       or available locally via: info '(coreutils) mkfifo invocation'

GNU coreutils 8.28						   January 2018 							 MKFIFO(1)