#!/bin/shmodule="scullc"device="scullc"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# remove stale nodesrm -f /dev/${device}? # invoke insmod with all arguments we got# and use a pathname, as newer modutils don't look in . by default/sbin/insmod -f ./$module.o $* || exit 1major=`cat /proc/devices | awk "\\$2==\"$module\" {print \\$1}"`mknod /dev/${device}0 c $major 0mknod /dev/${device}1 c $major 1mknod /dev/${device}2 c $major 2mknod /dev/${device}3 c $major 3ln -sf ${device}0  /dev/${device}# give appropriate group/permissionschgrp $group /dev/${device}[0-3]chmod $mode  /dev/${device}[0-3]