if [ -z "$TERM_TYPE" ]; then
	case $(tty) in
		/dev/tty[0-9]*)
			TERM_TYPE=virtual
			;;
		/dev/console)
			TERM_TYPE=serial #unsure (mach console)
			;;
		/dev/com*)
			TERM_TYPE=serial
			;;
		/dev/tty[pq]*)
			TERM_TYPE=pts
			;;
	esac
fi

export TERM_TYPE
