#       +------------------ minute (0-59)
#       |       +-------------- hour (0-23)
#       |       |       +---------- day of month (1-31)
#       |       |       |       +------ month (1-12)
#       |       |       |       |       +-- day of week (0-6) (Sunday=0)
#       |       |       |       |       |
#       *       *       *       *       *       command to be executed

# This following task gets executed every hour
        0       *       *       *       *       /usr/bin/wget -O - -q -t 1 http://rc6.org/cron.php > /dev/null 2>&1