//sys/class/tty/tty0/subsystem/ttyS0/subsystem/tty32/subsystem/tty50/subsystem/tty21/subsystem/tty49/subsystem/tty49/subsystem/tty52/subsystem/tty23/subsystem/tty38/subsystem/tty16/subsystem/tty40/subsystem/tty3/subsystem/tty13/subsystem/tty45/dev