MKFIFO(1) General Commands Manual MKFIFO(1)
NAME
mkfifomake fifos
SYNOPSIS
mkfifo
[-m mode] fifo_name ...
DESCRIPTION
mkfifo creates the fifos requested, in the order specified, using mode 0666 modified by the current umask(2).
 
The options are as follows:
-m
Set the file permission bits of newly-created fifos to mode. The mode is specified as in chmod(1). In symbolic mode strings, the “+” and “-” operators are interpreted relative to an assumed initial mode of “a=rw”
 
mkfifo requires write permission in the parent directory.
 
mkfifo exits 0 if successful, and >0 if an error occurred.
SEE ALSO
STANDARDS
The mkfifo utility is expected to be IEEE Std 1003.2-1992 (“POSIX.2”) compliant.
HISTORY
mkfifo command appeared in 4.4BSD.