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tldr/pages/linux/grub-editenv.md

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grub-editenv

Edit GRUB environment variables. More information: https://www.gnu.org/software/grub/manual/grub/grub.html.

  • Set a default boot entry (Assuming the boot entry already exists):

grub-editenv /boot/grub/grubenv set default={{Ubuntu}}

  • Display all GRUB environment variables:

grub-editenv /boot/grub/grubenv list

  • Reset the saved_entry variable to the default:

grub-editenv /boot/grub/grubenv unset saved_entry