#!/bin/sh start() { printf 'Enabling device hotplugging... ' printf '/sbin/mdev\n' >/proc/sys/kernel/hotplug mdev -s printf 'done.\n' } stop() { printf 'Disabling device hotplugging... ' printf '\n' >/proc/sys/kernel/hotplug printf 'done.\n' } case "${1}" in start) start ;; stop) stop ;; restart) stop start ;; *) printf 'Usage: %s {start|stop|restart}\n' "${0}" >&2 exit 1 ;; esac