After this message, you will be given a shell with ${DEVICE} mounted on "/". If you need any other file systems (such as a separate "/usr"), you will have to mount those yourself.
Seld izen-a, ad d-teṭṭfeḍ shell s ${DEVICE} yettusrekben ɣef "/". Ma yella tesriḍ kra n yinagrawen-nniḍen n yifuyla (am uɛzal "/usr/"), yewwi-d ad ten-tesrekbeḍ i yiman-ik·im.