Uniblue DiskRescue 2009, a rather oddly named application, is an old-school disk defragmentation tool that will spend time going through your drive sorting the content. You can schedule a defragmentation or leave it running overnight, but it's a fairly basic app that, sadly, can be handled by freeware apps. Not one of the better Uniblue apps.
Uniblue DiskRescue 2009 link.
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