Time to introduce a lovely concept called "slack." Your hard disk is
broken into evenly sized pieces called clusters, much like the
pigeonholes on an old secretary's desk. Each file is allocated to one or
more of these clusters, and no two files can share a cluster. If the
file doesn't use the whole cluster, the rest goes to waste. That is
"slack." A 1 KB file or a 4 KB file eats the same 4 KB cluster on the
disk. That is why you will see two figures for a file's size in the
properties box. The first is the actual size of the file. The second is
its size on disk, counting any leftover slack. Hope that helps to
clarify your hard disk figures a little. There are several third party
tools out there that can help you visualize how your hard disk is being
used, though I don't remember the names off the top of my head. A quick
Google search should help, along with my friendly colleagues on here.
Hope this helps out. :)

-------- Original Message --------
Subject: [PCBUILD] Fwd: where is all my memory? - Please submit this
hardware question to PCBUILD
From: Glenn Schrieber <[log in to unmask]>
Date: Tue, August 17, 2010 3:06 pm
To: [log in to unmask]

----- Forwarded Message -----
From: "Dean Kukral" <[log in to unmask]>
To: "Glenn Schrieber" <[log in to unmask]>
Sent: Monday, August 16, 2010 7:24:20 PM GMT -05:00 US/Canada Eastern
Subject: Re: where is all my memory? - Please submit this hardware
question to PCBUILD

On 1:59 PM, Glenn Schrieber wrote:
> Running Vista service pack 2 on a HP pavilion that is only a year old. Under properties of C drive it says 133G free of 285 GB and recovery D has 1.97 GB free of 12.4GB. If you open C all the folders don't add up to anywhere near 152GB. I have seen a link long ago to a web site with a pie chart sort of utility that shows where all the memory is being used. Does anyone remember where or what that is? Or any other suggestions where all my memory is going? There is just normal pictures and files on the computer it isn't used for huge video or anything. Thanks in advance. Kathy
> 

Kathy, PCSOFT is strictly for questions on application software. 
Hardware questions should go to PCBUILD.

Dean Kukral, moderator PCBUILD and PCSOFT

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