Control EFI firmware boot settings and manage boot loader. More information: https://manned.org/bootctl.
bootctl status
bootctl list
sudo systemctl reboot --firmware-setup):sudo bootctl reboot-to-firmware true
/efi/, /boot/ or /boot/efi):bootctl --esp-path=/path/to/efi_system_partition/
systemd-boot into the EFI system partition:sudo bootctl install
systemd-boot from the EFI system partition:sudo bootctl remove