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Chapter 15. Maintaining Your Windows Vis... > Defragmenting Your Hard Disk

Defragmenting Your Hard Disk

Windows Vista comes with a utility called Disk Defragmenter that’s an essential tool for tuning your hard disk. Disk Defragmenter’s job is to rid your hard disk of file fragmentation.

File fragmentation is one of those terms that sounds scarier than it actually is. It simply means that a file is stored on your hard disk in scattered, noncontiguous bits. This is a performance drag because it means that when Windows Vista tries to open such a file, it must make several stops to collect the various pieces. If a lot of files are fragmented, it can slow even the fastest hard disk to a crawl.


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