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I have a theoretical question about multi-booting in UEFI mode. I have Manjaro 20.2.1 installed alongside Ubuntu 20.04. Because Manjaro was installed later. Grub menu is configured by Manjaro. I want to give the control back to Ubuntu. I understand UEFI partition.

I tried to look in the internet. I found some commands:

  1. update-grub
  2. grub-install

I know partially about them only. The first one to update /etc/default/grub into actual grub. The second one to install a grub (for managing boot)

I also found some files and folder:

  1. /boot/EFI (UEFI partition)
  2. /boot/grub (corresponding os partition)
  3. /etc/default/grub (cfg file to change grub option)

What I want to know?

  1. What are the contribution of the commands and files/folders. What they actually do?

  2. How to change the OS that would controls grub? (in my case from manjaro to ubuntu)

Thanks in advance ! :)

Sayan Dey
  • 278

0 Answers0