I have formatted the USB to Mac OS (Extended Journal) and made 1 Partition in the GUID format.Warning: All data on the drive will be destroyed. The below command should handle all of that for you though. The USB drive should have an EFI partition, which contains files needed to make the drive bootable, in addition to the MacOS formatted partition containing the actual system to boot.
Use your USB drive right-click on it and select format disk format this will format the USB drive so that it can be used to store the Mac OS operating system. When you hear the.Bootable macOS Catalina USB on Windows 10. Press the Power button to turn on your Mac (or Restart your Mac if its already on).
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If you have Homebrew or MacPorts, you can get a progress bar by installing the "pv" command and using that instead of "cat". You will be prompted for the administrator's password.No progress is shown while writing this way. R is for raw disk, as writing to /dev/rdisk2 is much faster than writing to /dev/disk2.
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