[kde] K find usage?

Hi
I recently found that I could use kfind to find files with several suffixes by
entering *.pdf;*.txt;*.doc etc. There is nothing in the help files on this
general area of use. Assuming that it provides a graphical interface for
something in linux itself I could use man to find out what options are
available. But just what does it use?

Alternatively - I want to search off root and exclude certain directories from
the search. Is there a syntax to do that and/or to search a list of
directories? In this instance I favour exclude to avoid a lot of typing.
--
Regards
John

Suse 10.1
KDE 3.4.2 B
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