A quick google search will reveal that there are sereval ways to do this. However, since I always prefer the easiest ways, I'll only post the quick and dirty way here.
First off open a terminal window or log into your computer through
ssh(if you don't know what that is, I suggest that you keep graphical mode on your computer for now and think about using a text-only mode later on).
Then get root access to the computer via
$ sudo su
After this, you'll have to open up
in your favourite editor
And change the default login to the following:
Notice the >console
Then simply save the file and reboot.
After the login manager starts, it'll boot you right into the console window.
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