#!/bin/shmodule="simple"device="simple"mode="664"# Group: since distributions do it differently, look for wheel or use staffif grep '^staff:' /etc/group > /dev/null; then    group="staff"else    group="wheel"fi# invoke insmod with all arguments we got# and use a pathname, as newer modutils don't look in . by default/sbin/insmod -f ./$module.o $* || exit 1major=`cat /proc/devices | awk "\\$2==\"$module\" {print \\$1}"`# Remove stale nodes and replace them, then give gid and perms# Usually the script is shorter, it's simple that has several devices in it.rm -f /dev/${device}[rn]mknod /dev/${device}r c $major 0mknod /dev/${device}n c $major 1chgrp $group /dev/${device}[rn] chmod $mode  /dev/${device}[rn]