How to create a cron task that will restart httpd every five minutes?

Question

Task Schedulers

For some purposes, you need to restart the httpd service every five minutes.
I still don't understand what the task line should look like.
PS: The OS on the server is CentOS 5

Answer 1

*/5 * * * * root apachectl restart
Or /etc/init.d/httpd restart instead of apachectl restart

Answer 2

service httpd restart