I've been searching for the last two days on trying to understand how the console displays itself to the user and how to change the console settings. I've had some luck along the way but nothing that I've found has giving me a real clear explanation of how the console is displayed or how to change or control its display settings.
Some examples of what I'm looking for are as follows:
How is the console displayed on the screen? I know with X11 it uses your graphics card driver to display graphics to the screen, but how is the console's text mode handled? Could someone either explain this to me or point me to an in-depth overview of it all?
Is it possible to have multi-head support in console mode with separate tty's on each screen? If so how would I go about setting this up?
How would you go about changing the size of the console display from the default 80x25 to a custom size?
I'm testing anything I find on a debian testing build, which is just the minimal base install on a virtual box. In time I will be using this information to setup my main system which is multi-head with 3 monitors. I would like to be able to support all three displays in console mode if possible.