Re: cron job

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At 10:06 PM Tuesday, 7/29/2008, Patrick O'Callaghan wrote -=>
On Tue, 2008-07-29 at 21:05 -0700, Nifty Fedora Mitch wrote:
> On Tue, Jul 29, 2008 at 04:29:44PM -0400, Max Pyziur wrote:
> > On Tue, 29 Jul 2008 tony.chamberlain@xxxxxxxxx wrote:
> >
> >>
> >> Output from nightly cronjobs is filling root's mailbox quickly,
> >> and sending everything else to /var/spool/mqueue.  These are just
> >> status messages (stdout) from the cronjobs which we don't really need
> >> mailed to root.  Is there anyway to suppress mailings?
> >
> > Send your jobs to /dev/null like so:
> > 30 0 * * * /path/to/program >> /dev/null
> >
> > Make sense?
>
> The above addresses stdout as requested
> also consider stderr..
>
> 2       1   *   *  *    $HOME/bin/check-calendar > /dev/null 2>&1 < /dev/null &

What's the final "&" for?

From - http://www.freeos.com/guides/lsst/ch02sec20.html

For background processing (With &, use to put particular command and program in background)
[linux-command]  &

For example - $ ls / -R | wc -l &

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