//sys/class/tty/tty25/subsystem/tty3/subsystem/tty42/subsystem/tty49/subsystem/tty29/subsystem/ttyS1/subsystem/tty52/subsystem/tty18/subsystem/tty24/subsystem/tty40/subsystem/ttyS2/subsystem/tty16/subsystem/tty21/uevent