It is very ofter for a every normal person to run scheduled jobs.

This could be backups, some processing that takes a lot of time etc.

Here is how to run a cron job every 6 hours

[code]
#min  hour day/month   month   day/week
0 */6 * * * /home/user/script.sh
[/code]

Have you tried to use "*" instead of 0 for the minutes ? ;) :D
I did and received a lot of emails ... it was working.

Related:

http://www.linuxforums.org/forum/redhat-fedora-linux-help/117506-running-crontab-every-7-hours.html

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