It's something you used to have to do on Windows disks.  "De-Fragment".

When you write a lot of small files, then delete some of them, the
"allocation bitmap" for the disk gets to look like a swiss cheese -- lots of
little holes.  The little holes get used for the next file(s) you write, and
those files become "fragmented".  The net effect is that reading and writing
files from a fragmented disk takes longer than from an un-fragmented disk,
where the files are mostly contiguous.  Sometimes a _lot_ longer for a
really badly fragged disk.  People used to sell utilities for de-frag'ing
windows disks, for lots of money.

Nowadays, it's cheaper not to bother... when a disk becomes fragged, you
just throw it away and get a newer, bigger, cheaper, one... (;->)


Rick

> 
>> um...whats "defrag"?
>> 
>> Mark
> 
> .. ya know.. it's for taking off the frag.
> 
> Damian


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