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Mac OS X not reporting directory sizes correctly?

Fresh5 days ago
Mar 15, 202626976 views
Confidence Score0%
0%

Problem

In Finder, I've noticed that if I duplicate some .app files (in the Applications folder), Finder will show that the duplicate .app file is not the same size as the original. This file size discrepancy does not happen for all .app files that I duplicate, but it seems like the larger the .app file, t…

Error Output

GarageBand.app - 381.7 MB
GarageBand copy.app - 373.2 MB

iMovie.app - 695.3 MB
iMovie copy.app - 635.4 MB

Install Xcode.app - 1.81 GB
Install Xcode…

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1 Fix

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Fix for: Mac OS X not reporting directory sizes correctly?

Low Risk

The differences came from different reasons: different ways of counting, different tools, compression and what looks like a bug. The first difference in size you see seems to be a bug in the Finder. The file sizes shown by the Finder are somehow cal…

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Environment