Is it possible to boot from a dmg file directly on Macs, just like the Windows setup environment, which boots from a wim file?


The only way to properly create a bootable file is to use Disk Utility on a working Mac. You also may use Virtual box or TransMac.

  • Is it possible to boot from a dmg file created by Disk Utility? Here is the guide from Apple:support.apple.com/en-us/HT201372. But, if I apply this, the whole partition will be reformatted.
    – Chris Chen
    Nov 17 '15 at 9:05

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