See gettytab(5) followed by ttys(5). /etc/gettytab has entries for various types of terminals in a very generic sense (not in the termcap(5) sense), and /etc/ttys is where the arguments to getty(8) are placed as part of the configuration of init(8) a.k.a. /etc/init or in modern BSD /sbin/init Erik <fair at clock.org>