Boot to where the screen goes black.
You should now be asked to login (in text)
enter your username .. and hit enter
enter your password .. and hit enter.
Now run the list of commands above.
when you've run all of those .. shutdown the PC with:
then turn on your PC .. does it boot properly ?
The console (white text on a black backgound) is the same as a terminal .. you can run commands from the console or the terminal.