//sys/class/tty/tty6/subsystem/tty20/subsystem/tty0/subsystem/tty47/subsystem/tty63/subsystem/tty32/subsystem/tty8/subsystem/tty/subsystem/ttyS0/subsystem/tty62/subsystem/tty0/subsystem/tty43/subsystem/ttyS0/subsystem/tty56/dev