[CentOS] run script on cron job only run on first Saturdat every month???

On Wed, Jul 31, 2013 at 8:35 AM, <m.roth at 5-cent.us> wrote:

>
> I agree with the original poster: why doesn't his work, which says 6 in
> the location for day of week, which is Sat.? I'd think it meet the
> criteria "it's somewhere between the 1st and the 7th of the month, and
> it's a Sat", and that I think should be the same as yours....
>

As Keith said, it's because the conditions are OR'd.  A careful reading of
crontab(5) shows that the algorithm is [minute AND hour AND (restricted day
of week OR restricted day of month) AND month].  Day of week and day of
month only restrict independently when one or both is "*".