hdiutil
SafeDisk image tool
hdiutil attach <image.dmg>
Mounts, creates and converts DMGs — including encrypted images for sensitive handoffs.
Examples
hdiutil create -encryption -size 1g -volname Secure secure.dmgCreate an encrypted DMG
Syntax
hdiutil [attach|detach|create] <image>
Before you run it
Mounting is safe; creation may overwrite.
The same reference, with no signal at all
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