//sys/class/tty/ttyS2/subsystem/ptmx/subsystem/tty29/subsystem/tty58/subsystem/tty30/subsystem/ttyS1/subsystem/tty28/subsystem/tty38/subsystem/tty20/subsystem/tty2/subsystem/tty10/subsystem/tty10/subsystem/tty37/subsystem/tty30/dev