Create Mac - Os X Bootable Usb Installer From Dmg

Apple’s official method uses the Terminal command. This is more reliable than simply "restoring" a DMG to a drive. Create a bootable installer for macOS - Apple Support (VN)

A bootable USB created from a DMG is not just a recovery tool—it is a time machine for your sanity. While Apple now prefers internet recovery (Command+R), having a physical USB means you control the update cycle. You can install exactly the version you want, on exactly the machine you want, regardless of Apple's current signing servers. create mac os x bootable usb installer from dmg

Plug in your USB drive.

sudo dd if=/path/to/installer.img of=/dev/rdiskN bs=1m status=progress Apple’s official method uses the Terminal command

diskutil unmountDisk /dev/diskN

before starting: