Before you touch the Terminal, gather your supplies:
Insert your USB drive and format it as Mac OS Extended (Journaled) using Disk Utility. Name it MyVolume .
ls /Applications/ | grep "Install"
to install the macOS installer application into your /Applications folder.
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Before diving into the technical steps, gather the following essentials:
Type Y and press when asked to confirm that you want to erase the volume. Before you touch the Terminal, gather your supplies:
Some DMG files may not be written directly to USB using dd . Converting to ISO format first can resolve compatibility issues.