4.1.6 Play time
Now you are ready to play with the Debian system without risks as long as you
use this non-privileged user account penguin. 
Let's login to the penguin. If you are at root shell
prompt, type Ctrl-D [
11] at the
root command prompt to close the root shell activity and return to the login
prompt. Enter your newly created username penguin and
the corresponding password. [
12] You will be presented with the following command prompt.
From here on, the example given will use simplified command prompt for the sake
of simplicity. I will use:
We will start learning the Debian system first with the easy way Midnight Commander (MC), Section 4.2 and later with the proper
Unix-like work environment, Section 4.3.