Question : Reliable method for calculating disk usage

What's a more reliable method for calculating disk usage?

1. Right click on a hard drive and select properties, then look at the Used space value
2. Open the hard drive, enable seeing hidden files, select all files/folders, right click, select properties, and look at the Size on disk value.

The first method usually reports slightly larger values.

Thanks

Answer : Reliable method for calculating disk usage

Option 1.  Option 2 can have problems accessing and counting files in folders that the current user does not have access to.  Personally, I prefer using DIRUSE - a Support Tools/Resource Kit utility available from microsoft - google DIRUSE.EXE DOWNLOAD.
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