[olug] cron

[mesc]

I'm still confused about cron,this is a line from my /etc/crontab
file....15 * * * * * root /usr/bin/updatedb.......and this is a line
generated from the file made when I enter the crontab -e command....15 *
* * * root /usr/bin/updatedb my cron is not working for reasons which
are probably obvious to you as you look at this.Do I need the
min/day/month/etc in each file?The 15 in these files is by no means
final I'm just trying to get  my cron working right first.Also I have 2
books which differ on what each asterick   means pertaining to
time/date.I've looked for the cron HOWTO with no luck so can  someone
set me straight as to what time/date each asterick is?

                Thank you,Gary Martin


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