January 5, 1994 MKFIFO 1

### NAME

mkfifo - make 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

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

### STANDARDS

The mkfifo utility is expected to be IEEE Std 1003.2-1992 (``POSIX.2'') compliant.

### HISTORY

mkfifo command appeared in 4.4BSD.