Name
Disk Defragmenter — \windows\system32\dfrg.msc
Synopsis
Start → All Programs → Accessories → System Tools → Disk Defragmenter
Disk defragmenter reorganizes the files and folders on any drive so that not only are the files stored contiguously, but the free space is also contiguous. An optimized disk will yield better performance and reliability. Highlight a drive and click Defragment to begin the defragmentation process. Or click Analyze to view a fragmentation report and a recommendation; Disk Defragmenter will claim that defragmentation is unnecessary if the percentage of fragmented files in the drive is lower than about 3%.
TIP
You can run other programs while Disk Defragmenter runs in the background, but this is not recommended for several reasons. Not only will writing to the disk interfere with Disk Defragmenter, causing it to restart repeatedly, but defragmenting a drive can substantially slow system performance.
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