The prepackaged filesystems have a root account with
password 'root' and a user account with password 'user'. The
login banner will generally tell you how to log in. So, you log in
and you will find yourself inside a little virtual machine. Our
filesystems have a variety of commands and utilities installed (and it
is fairly easy to add more), so you will have a lot of tools with
which to poke around the system.
There are a couple of other ways to log in: