The Finder’s Get Info figures allow for sparse files when giving size ‘on disk’, but don’t take into account shared data in clone files. This can prove misleading, as shown here with VMs.
Get Info
When you double-click a file and expect to see it opened by the app of your choice, but instead it’s opened by the wrong app, or the wrong version of the right app, or maybe macOS refuses to open it at all. How to fix that.
How this expresses file sizes, which data it includes, the difference between KB and KiB, how to view more of a file’s metadata, and more.
How to find and use the Finder’s Get Info sibling, the Inspector, how to make exact duplicates, a free slideshow without Keynote, and an Easter Egg.
The Eclectic Light Company 