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Enter a command. For example: mdbook, pidof, apport bug, resize2fs.

efibootmgr

Manipulate the UEFI Boot Manager. More information: https://manned.org/efibootmgr.

• List the current settings then bootnums with their name:
   
  efibootmgr
   
• List the filepaths:
   
  efibootmgr -v
   
• Add UEFI Shell v2 as a boot option:
   
  sudo efibootmgr -c -d {{/dev/sda1}} -l {{\EFI\tools\Shell.efi}} -L "{{UEFI Shell}}"
   
• Change the current boot order:
   
  sudo efibootmgr -o {{0002,0008,0001,0005}}
   
• Delete a boot option:
   
  sudo efibootmgr -b {{0008}} --delete-bootnum