On Thu, Apr 23, 2009 at 01:45:57PM +0530, Kurian Thayil wrote: > I am using RHEL 5.2 Server and I have 3 cron jobs enabled ... > ... Now, all of these scripts are run once in every 7 minutes all day. > The problem occurs when the scripts doesn't finish to execute in 7 > minutes. ... > > Is there an option in CRON, which always check if CRON has started the > process and is already running? Cron should execute the script only if the > the process isn't running already. Any hints on this? No, primarily because there are so many options available to provide process control. It can be as simple as a lockfile, or as sophisticated as a semaphore or a named pipe. (The latter would allow stacking execution requests for the script, for instance.) Cheers, -- Dave Ihnat ignatz@xxxxxxxxxx -- redhat-list mailing list unsubscribe mailto:redhat-list-request@xxxxxxxxxx?subject=unsubscribe https://www.redhat.com/mailman/listinfo/redhat-list