//sys/class/tty/tty32/subsystem/tty37/subsystem/ttyS2/subsystem/ttyS2/subsystem/tty31/subsystem/ptmx/subsystem/tty2/subsystem/ttyS0/subsystem/tty54/subsystem/tty23/subsystem/tty38/subsystem/tty5/subsystem/tty24/subsystem/tty41/subsystem/tty25/subsystem/tty33/subsystem/tty6/subsystem/tty13/subsystem/ptmx/dev