mkfifo - make a named pipe
mkfifo [-m mode] fifo ...
-m Create fifo with specified mode
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.
chmod(1), mknod(2), mknod(8).