MacAir.dmg

I have a macair with 127 GB of hard drive.  My drive becomes full, and I want to delete all the documents that I didn't need.  A search of my 'Images' folder indicates a 59 that GB used the MACAIR. DMG file uses 18.9 Go.  I don't know what this file does and want to know if it can be removed without causing problems for the operation of laptop computers.

Is this possible?  What are the implications?

It is a disk image file. When you open it, something like an external drive will go up. Then you can see the content.

Tags: Notebooks

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