Magento Cron

cat < /etc/cron.d/magento_cron
MAILTO=YOUR@EMAIL.COM

*/5 * * * * root /var/www/cron.sh
EOF

chmod u+x /var/www/cron.sh

Links
http://www.magentocommerce.com/wiki/1_-_installation_and_configuration/how_to_setup_a_cron_job