//sys/class/tty/tty21/subsystem/tty34/subsystem/tty24/subsystem/tty52/subsystem/tty16/subsystem/tty30/subsystem/tty7/subsystem/tty15/subsystem/tty4/subsystem/tty12/subsystem/tty57/subsystem/tty10/subsystem/tty48/uevent