Why is Disk De fragmentation needed ?

Question

What is desadvantage of faragmented files ?

Answer 1

Simple is it easy find stuff in your house if you clean it when it is mess.

Answer 2

Both Windows and its predecessor DOS are/were terrible about disk usage. You see, each time a file is saved, Windows looks for the first available space and saves whatever part of the file will fit there, then it splits the file and looks for the next available space to put more of it. Files are constantly being created and deleted as you use the computer, so it's easy to see if you save a large file how it could be fragmented into many pieces.

The beauty of defragmenting is that your system can gather all the pieces of each file and save it as one piece, rather than fragmented in many pieces.

It's easy to see that if a file is in one piece, the disk doesn't have to work as hard, and this speeds up your system (somewhat).

Answer 3

Disk fragmentation occurs when a file is broken up into pieces to fit on the disk. Because files are constantly being written, deleted and resized, fragmentation is a natural occurrence. When a file is spread out over several locations, it takes longer to read and write. But the effects of fragmentation are far more widespread: Slow performance, long boot-times, random crashes and freeze-ups — even a complete inability to boot up at all. Many users blame these problems on the operating systems, when disk fragmentation is often the real culprit.

All systems suffer from disk fragmentation. Defragmentation solves this problem and keeps PCs humming at their peak performance.

Answer 4

Here, take a look at this.

http://www.geekgirls.com/windows_defrag.htm

I wasn't 100% sure of what it did, but I did have an idea.

Answer 5

you rid of unnecessary files and i can't think of anything bad coming out of it