//sys/class/tty/tty0/subsystem/tty10/subsystem/tty55/subsystem/ttyS3/subsystem/tty32/subsystem/tty6/subsystem/tty/subsystem/tty63/subsystem/tty41/subsystem/tty4/subsystem/ttyS0/subsystem/tty44/subsystem/ttyS1/device/tty:ttyS3/dev