How often does this cron job run?

Question

How often will the following cron job run:

*/5 * * * *   root    /shell/my_script.sh

Answer 1

Every five minutes.

Answer 2

Your script should run every five minutes.

Check out "man 5 crontab" for more information.

Answer 3

Every five minutes of every hour, every day, every month, forever.