//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/tty25/subsystem/tty1/subsystem/tty27/dev