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Windows 7: Curious numbers

03 Mar 2010   #1
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8
Curious numbers

This is not a problem. Just a curiosity that I am unable to explain. Maybe someone has the answer.

1. When I look into Computer or computer management, the size of my system is about 16.3 GBs. The data is on another partition and there are no restore points - shadowstorage is zero.

2. If, however, I run WinDirStat, it shows my system size as 18.1 GBs. I fail to see from where the additional 1.8 GBs come from.

My System SpecsSystem Spec
03 Mar 2010   #2

Windows 7 Ultimate x64

Hidden files and folders perhaps?
My System SpecsSystem Spec
03 Mar 2010   #3

Windows 7 Ulti. x64

Maybe the same reason that 500 GB hard drive is actualy 465.6613 GB.
18.1 times 0.9313226 = 16.8
My System SpecsSystem Spec

03 Mar 2010   #4
Microsoft MVP

Vista, Windows7, Mint Mate, Zorin, Windows 8

I would think that it is all in binary representation - and when I look e.g. at the Windows folder in C > Properties, it shows as 10GB which is exactly what WinDirStat shows.
And I don't think there is a hidden folder issue - here we look purly at occupied space, No folder distinction made.
My System SpecsSystem Spec

 Curious numbers

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