I've been looking for something like this. One brand new feature of gutsy is that tracker, a desktop indexer like google desktop, runs by default. Tracker also supports taxonomy for your files and folders but this feature is not yet integrated into gnome. But wait…you can have it anyway in a few simple stepsTweet itFacebook itGoogle+ itPDF itFound an error/typo on this page?
How to: Enable and Tag Files / Directories in Gnome Linux Desktop
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