File manipulation

I don't know whether I should be looking in a UNIX forum instead of here but I recently bought an iMac after using PC's. My problem is: How do I search the file system for duplicate files which will be taking up memory space unnecessarily? I'm looking for a utility or instructions.

So far I have no utilities for iMac maintenance except for McAfee. Any suggestions?

Thanks

General Miantenance utilities that are good are Onyx and MainMenu

But you can find a comprehensive list of cool software in the forum guide

http://www.mac-forums.com/forums/switcher-hangout/37727-switchers-guide-os-x-software.html

follow the links

as for duplicates, that is fine if you are thinking about your own files, but I would leave any system files well alone, what dupes are you after, gerneral files or more specific like itunes songs and photos

File Manipulation

Yes, my own files. Various Scilab, Octave, TextEdit notes, news items, variou math problems (solved and unsolved) etc.