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Date:      Wed, 9 Sep 1998 08:58:06 -0700 (PDT)
From:      David Wolfskill <dhw@whistle.com>
Cc:        freebsd-questions@FreeBSD.ORG
Subject:   Re: CRON JOBS
Message-ID:  <199809091558.IAA06850@pau-amma.whistle.com>
In-Reply-To: <Pine.BSF.4.01.9809090350520.381-100000@stumbleinn.dyn.ml.org>

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>Date: Wed, 9 Sep 1998 03:52:24 -0500 (CDT)
>From: David Vondrasek <david@stumbleinn.dyn.ml.org>

>> > 0 10 20 30 40 50 filename

>> > This will run the script at 10 minute intervels, correct ?

>> Every 10 minutes :-
>>   0,10,20,30,40,50 * * * * /bin/othertask
>> (There's an alternative syntax as well.)

>Thanks, I had note on this and I just took BAD notes.
>This helps me understand the notes i have,

One of the things I find useful to do in crontabs is to place a comment
line, showing the various fields, such as:

> crontab -l
# DO NOT EDIT THIS FILE - edit the master and reinstall.
# (/tmp/crontab.TuzuXx2202 installed on Tue Sep  1 15:50:21 1998)
# (Cron version -- $Id: crontab.c,v 1.6.2.3 1998/03/09 11:42:00 jkh Exp $)
#min    hr      dom     mon     dow     cmd
03      13      *       *       1-5     /usr/local/sbin/amcheck Engineering
03      03      *       *       *       /usr/local/sbin/do_backups -p


Tends to dramatically reduce the number of times I do a "man 5 crontab".

Of course, it's only useful for systems that permit comments in
crontabs, but I'm having trouble recalling the last system I used that
had that limitation (possibly an NCR Tower...).

FWIW,
david
-- 
David Wolfskill		UNIX System Administrator
dhw@whistle.com		voice: (650) 577-7158	pager: (650) 371-4621

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