//sys/class/tty/tty0/subsystem/tty1/subsystem/tty51/subsystem/tty41/subsystem/tty38/subsystem/tty4/subsystem/tty8/subsystem/tty10/subsystem/tty2/subsystem/tty49/subsystem/tty57/subsystem/tty2/subsystem/tty47/subsystem/tty42/subsystem/ptmx/subsystem/tty11/subsystem/tty19/subsystem/tty52/subsystem/tty54/subsystem/tty10/uevent