//sys/class/tty/tty6/subsystem/ptmx/subsystem/tty1/subsystem/tty4/subsystem/tty32/subsystem/tty1/subsystem/tty4/subsystem/tty3/subsystem/tty18/subsystem/tty49/subsystem/tty14/subsystem/tty49/subsystem/tty23/subsystem/tty19/dev