Login to TTY as Guest?

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http://askubuntu.com – I was wondering if it is possible to log into a ttyN session (not the GUI) as a Guest? As far as my observation goes the Guest session provided at login are served by lightdm which dynamically creates those guest accounts(correct me if I'm wrong) but how would that be done in a tty login because it requires a login and a password ? (HowTos)