NAME

mkfifo — make FIFOs

SYNOPSIS

DESCRIPTION

mkfifo creates the FIFOs requested, in the order specified, using mode 0666 modified by the current umask(2). It requires write permission in the parent directory.

The options are as follows:

-m mode

Set the file permission bits of newly created FIFOs to mode. The mode argument can be in any of the formats specified to the chmod(1) utility. If a symbolic mode is specified, the operators ‘+’ and ‘-’ are interpreted relative to an initial mode of “a=rw”.

EXIT STATUS

The mkfifo utility exits 0 on success, and >0 if an error occurs.

SEE ALSO

mkdir(1), rm(1), mkfifo(2), mknod(8)

STANDARDS

The mkfifo utility is compliant with the IEEE Std 1003.1-2008 (“POSIX.1”) specification.

HISTORY

The mkfifo command appeared in 4.3BSD-Reno.