But despite the similarities they share, the DMG file extension was actually created with a different purpose in mind.īack in the day, Apple struggled to find a way how to reliably transfer applications over the internet. Native to the Mac OS X operating system, the DMG file format is often compared to the ISO file format because both formats can be used to create sector-by-sector copies of optical storage media.
Using DMG (Mac OS X Disk Image) Files Across Operating Systems
