//sys/class/tty/tty0/subsystem/tty44/subsystem/tty39/subsystem/tty40/subsystem/tty24/subsystem/ptmx/subsystem/tty17/subsystem/tty47/subsystem/ptmx/subsystem/tty20/subsystem/tty/subsystem/tty2/subsystem/tty37/subsystem/tty32/dev