# start fbterm automatically in /dev/tty*

if [[ $(tty|grep -o '/dev/tty') = /dev/tty ]] ; then
	fbterm
	exit
fi

# start fbterm automatically in /dev/tty*

if (( ${+commands[fbterm]} )); then
	if [[ "$TTY" = /dev/tty* ]] ; then
		fbterm
		exit
	fi
fi

Check if fbterm is installed and use $TTY variable
Check if fbterm is installed and use $TTY variable
