Debian :: Start A Cron Job From Runlevels?

I have made a shell script that is ran every 5 minutes (using crontab) that does the following:(please disregard the '.' in ht.tp .. I'm under 15 post...can't post URLs yet ) Code: #!/bin/bashwget -q --read-timeout=0.0 --wait=5 --tries=5 -O /var/log/dynamicDNS.data ht.tp://someURLecho "[$(date)] $(cat /var/log/dynamicDNS.data)" >>/var/log/dynamicDNS.logrm /var/log/dynamicDNS.data >/dev/nullexit 0 (this script might look pretty bad but hey, it's my first one!)hat works perfectly! Though, I need to have this "cron" run from startup (boot) without the need to open a terminal and leave it open.I understand I can use runlevels to start a program from boot but that will have it run only once.