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Windows® 98 Unleashed by Paul McFedries

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Overcoming File Fragmentation with Disk Defragmenter

Windows 98 comes with a utility called Disk Defragmenter that's an essential tool for tuning your hard disk. Disk Defragmenter's job is to eliminate file fragmentation from your hard disk.

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 Windows 98, when it tries to open such a file, 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.

Why doesn't Windows 98 just store files contiguously? Recall that Windows 98 stores files on disk in clusters, ...

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