size of my c drive

i have doubt abt the size of my c drive.  when i see the properties of the drive it gives me 8.6GB. But when i select all files, it gives me only 8.1 GB....what is the reason
f1_prakashAsked:
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Christopher McKayConnect With a Mentor Microsoft Network AdministratorCommented:
If you are using Windows 98 do this to check your Page file:

Right click on "My Computer"
choose "Properties"
Choose "Performance" tab
Click on the "Virtual Memory" button.


If you are running Windows 2000 or XP, do this:

Right click on "my computer"
Choose "properties"
Cloose "Advanced" tab
Click on "Performance Options" button.

:o)

Bartender_1
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guidwayCommented:
if you have enabled "hide system files" I don't believe this shows up on the count.
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guidwayCommented:
One other suggestion that comes to mind is that you have either more than one partition (one being 8.1GB and the other around 500MB) or you have on partition at 8.1GB and free unallocated space on the drive.
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Christopher McKayMicrosoft Network AdministratorCommented:
Your pagefile doesn't show up in your "size" when you select everything in Explorer.

Depending on your settings, you may have files hidden as guidway points out, as well.

:o)

Bartender_1
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f1_prakashAuthor Commented:
i have no hidden files. i checked everything...but how much will the pagefile size be..i think it wil not be that much
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f1_prakashAuthor Commented:
thats it, i got it.....thank u very much....my pagefile size ranges from(348 to 750MB)....
but can u just explain me.....what the pagefile actually holds and how its size effects the performance of the system.
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Christopher McKayMicrosoft Network AdministratorCommented:
Your pagefile is virtual memory, to see what it does etc, see here: http://computer.howstuffworks.com/virtual-memory4.htm

Hope this helps!

:o)

Bartender_1
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Christopher McKayMicrosoft Network AdministratorCommented:
whoops!
Should have linked this page instead:
http://computer.howstuffworks.com/virtual-memory1.htm

:o)

Bartender_1
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