//sys/class/tty/tty6/subsystem/ptmx/subsystem/tty1/subsystem/tty4/subsystem/tty32/subsystem/tty1/subsystem/tty4/subsystem/tty3/subsystem/tty18/subsystem/tty28/subsystem/tty29/subsystem/tty40/subsystem/tty42/subsystem/tty53/subsystem/tty/subsystem/tty30/subsystem/tty7/subsystem/tty16/subsystem/tty2/dev