//sys/class/tty/tty6/subsystem/tty50/subsystem/tty48/subsystem/tty30/subsystem/tty50/subsystem/tty17/subsystem/tty13/subsystem/ttyS2/subsystem/tty63/subsystem/ttyS3/subsystem/tty25/subsystem/tty43/subsystem/tty15/dev