Originally Posted by Marduk_the_12th
I've got start up to the [Marduk@localhost~]$
...which means you are logged in
It wants some type of command to go further.
What command does it want me type in?
the link provided does not indicate what to type in this area.
Well, what do you want to do? If you want to launch a window manager, you might try "startx". Without knowing what distro you are using and what you want to do, it's hard to advise.
To answer the original question, localhost refers to the machine you are working on.