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Using GRUB with an encrypted boot partition



After having setup a system with UEFI, I have a few questions:

1. Why is the 2MB BIOS partition needed as it is not formatted?  Does GRUB actually install itself here?

2. The EFI partition need only contain GRUB files (including the grub.cfg which tells GRUB how to boot an OS).

3. If I were to boot a system without EFI support, the 2MB partition should kick in and GRUB would still read the grub.cfg on the EFI partition?  Is that accurate?  So, when installing GRUB with the EFI options, does it still setup the MBR part?






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