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What is fragmentation?
#494 | 2:50 |
Monday November 23, 2009
Tutorials
Monday November 23, 2009
You get a new computer and it has a 500GB hard drive. After six months it seems slow and sluggish. Is that normal? It is in the sense that it happens to everyone but that doesn't mean you have to live with it. Doc explains disk fragmentation and how to go about fixing it.
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Windows Media Show Notes
- Wikipedia article on Fragmentation
- Fragmentation occurs because files and programs are not on the disk contiguously.
- This occurs because a program you're installing goes into the first, available space.
- If that space is not large enough, then only the portion that will fit goes there, and the rest of the program goes in other empty spaces.
- This fragmentation of files and programs makes your hard disk work hard to read data.
- The hard drive head has to race back and forth across the disk to gather up all the parts of a program or file.
- When you defragment a drive the files are laid back down in contiguous order.
- That makes your hard disk more efficient and that makes it faster.
- Fragmentation occurs because files and programs are not on the disk contiguously.
- This occurs because a program you're installing goes into the first, available space.
- If that space is not large enough, then only the portion that will fit goes there, and the rest of the program goes in other empty spaces.
- This fragmentation of files and programs makes your hard disk work hard to read data.
- The hard drive head has to race back and forth across the disk to gather up all the parts of a program or file.
- When you defragment a drive the files are laid back down in contiguous order.
- That makes your hard disk more efficient and that makes it faster.
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