Root Shell After I downloaded and extracted the root fs image, I quickly ran the /etc/shadow file though John the Ripper. In a moment it displayed the root password: "fiona" (which is the codename for the Kindle, by the way). Alas, it didn't work when I tried entering into console. Also, adding "init=/bin/sh" or "single" to the kernel boot arguments didn't work either. So I started to poke around