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docmagoo2

macrumors member
Original poster
Dec 28, 2010
34
0
Hi folks, OSX newbie here. I have a question regarding formatting with disk util. I formatted a 16gb USB drive with mac osx extended journaled the disk reports as only having 10.5gb free (see pic) ImageUploadedByTapatalk1347981863.458104.jpg

If I format non journaled and FAT I get pretty much the full 16gb. Is this normal? I can't see a file system structure taking up 5.5gb. Any idea what takes up the 5.5gb?
 
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