Does anyone know if there's a way to get rid of the GUI in Mavericks? (Or at least disable it?)
Yes - you can simply log in to a console on OS X.
- Set log in preferences to show username and password field.
- Enter >console as the user and press return.
You mean that you want to boot into a Terminal view instead of the OS X graphical view?
If so, by using the key combination of
Command+s just after the startup sound, you can boot into single user mode which is just a command line screen.