It seems by default (at least on Ubuntu, but I think I saw the same on other distros) there are virtual TTYs 1-6 for text login, 7 for GUI login, and 8 upwards are unused or at least non-interactive (here they show only a blinking cursor). Is there a standard for which virtual TTYs should be used for what?
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Up to whoever sets it up. Here on Fedora 18 (with systemd
) tty1
is graphical login, others are activated only if somebody tries to use them. What you describe is what the rough consensus was a year or two ago.

vonbrand
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systemd
startsgetty
transparently when I do. – vonbrand Apr 04 '13 at 12:16