How to rotate/truncate log files?

I can't find anything about this in the faq. What is the best way
to truncate the logs to zero size without disturbing operation
of squid?

Thanks for your time!
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Peter Olsson Email: pol@leissner.se
Leissner Data AB, Sweden Phone: +46 520 200 00
                               Fax: +46 520 200 89
Received on Tue Sep 24 1996 - 07:13:15 MDT