menuentry "TEST LABEL" { search --file --set /boot/vmlinuz-4.19.0-14-amd64 linux /boot/vmlinuz-4.19.0-14-amd64 root=UUID=2b5cc508-e2ea-4c43-a1c4-2532553af654 ro quiet initrd /boot/initrd.img-4.19.0-14-amd64 } menuentry "TEST UUID" { search --file --set /boot/vmlinuz-4.19.0-14-amd64 linux /boot/vmlinuz-4.19.0-14-amd64 root=UUID=2b5cc508-e2ea-4c43-a1c4-2532553af654 ro quiet initrd /boot/initrd.img-4.19.0-14-amd64 } menuentry "TEST NO DEVICE" { search --file --set /boot/vmlinuz-4.19.0-14-amd64 linux /boot/vmlinuz-4.19.0-14-amd64 root=UUID=2b5cc508-e2ea-4c43-a1c4-2532553af654 ro single initrd /boot/initrd.img-4.19.0-14-amd64 }