On 13/09/2023 à 20:46, Bret Busby wrote:
On 13/9/23 18:01, Pascal Hambourg wrote:
On 13/09/2023 at 11:47, Goh Lip wrote:

A bios-grub and a efi-grub residing in the same disk? Possible?

Yes. BIOS-GRUB in the MBR and the BIOS boot partition, EFI-GRUB in the EFI system partition.

You might want to read
https://en.wikipedia.org/wiki/GUID_Partition_Table

Why ?

MBR was superseded by GPT.

But it still exists as "protective MBR".

Both Legacy BIOS and UEFI can work with GPT, and, both Legacy BIOS and UEFI can be used to install operating systems that can boot on a GPT drive

You are paraphrasing me.

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