Command:   mkfifo - make a named pipe
Syntax:    mkfifo [-m mode] fifo ...
Flags:     -m  Create fifo with specified mode
Examples:  mkfifo pipe              #  Create  pipe   in   the   current
                                      directory
           mkfifo -m a+w systatus   # Create the  systatus  writable  by
                                      all

     The specified fifo special files are created.  If the  -m  flag  is
used,  this will be equivalent to a chmod on the fifo special file after
its creation.