//sys/class/tty/tty21/subsystem/tty50/subsystem/tty57/subsystem/tty48/subsystem/tty4/subsystem/tty30/subsystem/tty10/subsystem/tty30/subsystem/tty56/subsystem/tty35/subsystem/tty11/subsystem/ttyS0/subsystem/console/subsystem/tty5/dev