Defragmentation is the process that reduces the amount of fragmentation on a hard disk drive.

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What does a defrag actually do?

What does a defrag do really? Does it put the files that execute in sequence closer together?
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3answers
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Why does MyDefrag take so long to Fast Optimize?

From recommendations in other questions about defragmenters, I decided to try out MyDefrag. However I'm finding that the Fast Optimize script is running very slowly, specifically it seems to take a ...
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4answers
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Why defragging should be manually started in Windows XP?

Why we have to manually start the disk defragmenter in Windows XP?.
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3answers
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Get Fragmentation of a Drive on Vista?

Can I get statistics about the Fragmentation of a drive on Windows Vista? The Defrag utility only allows me to defrag and adjust the schedule, but I'm missing the statistics that older Windows ...
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3answers
727 views

Fine-grained control of O&O Defrag?

I am using O&O Defrag to defragment the files on my computer (Windows, NTFS file system). Is it possible to specify that particular folders (and the files/folders within them) be placed in the ...
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7answers
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Is defragging relevant to improving disk performance anymore?

Does it stil make much difference, now that we have much faster and larger HDDs? Generally I find if disk performance is getting too slow, it's probably because of too little free space, and the ...
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7answers
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Looking for an alternative to the Windows defrag utility [closed]

Under Windows XP, what are some alternatives to the default disk defragmenter?
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1answer
998 views

How often should I defragment drives formatted as NTFS?

I've heard claims from some people that you don't need to defragment hard drives formatted as NTFS (perhaps even from Microsoft at one time), while others say it needs considerably less defragmenting ...
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3answers
306 views

What's a good free defragmenting tool for a VM? [closed]

I have a Windows XP VirtualPC machine with a virtual hard disk. It's a dynamic disk, which means it expands as needed. Right now it's about 13.8GB, mostly because I've done a bunch of stuff to it. ...
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6answers
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Why can't you defragment Solid State Drives?

I keep hearing that this is a huge no-no. Why is this? I run Ubuntu mostly so it doesn't affect me, but I was just wondering.