#!/bin/bash case "$1" in start) /sbin/modprobe p7841 /bin/mknod /dev/PCI7841W0 c 253 0 chgrp can /dev/PCI7841W0 chmod g+rw /dev/PCI7841W0 exit 0 ;; stop) rmmod p7841 exit 0 ;; *) echo "Usage $0 {start|stop}" exit 1 ;; esac