Linux Cron

This script controls the start, stopping, restarting, and status reporting for the cron deamon which is used by the system to execute commands at periodic times.

The crond startup script

#! /bin/sh
#
# crond          Start/Stop the cron clock daemon.
#
# chkconfig: 2345 40 60
# description: cron is a standard UNIX program that runs user-specified \
#              programs at periodic scheduled times. vixie cron adds a \
#              number of features to the basic UNIX cron, including better \
#              security and more powerful configuration options.
# processname: crond
# config: /etc/crontab
# pidfile: /var/run/crond.pid

# Source function library.
. /etc/rc.d/init.d/functions

RETVAL=0

# See how we were called.
case "$1" in
  start)
	echo -n "Starting cron daemon: "
	daemon crond
	RETVAL=$?
	echo
	[ $RETVAL -eq 0 ] && touch /var/lock/subsys/crond
	;;
  stop)
	echo -n "Stopping cron daemon: "
	killproc crond
	RETVAL=$?
	echo
	[ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/crond
	;;
  status)
	status crond
	RETVAL=$?
	;;
  restart)
  	$0 stop
	$0 start
	RETVAL=$?
	;;
  reload)
	killall -HUP crond
	RETVAL=$?
	;;
  *)
	echo "Usage: crond {start|stop|status|restart}"
	exit 1
esac

exit $RETVAL