//sys/class/tty/tty6/subsystem/tty1/subsystem/tty20/subsystem/ptmx/subsystem/tty0/subsystem/ttyS1/subsystem/ttyS0/subsystem/tty12/subsystem/tty43/subsystem/tty54/subsystem/tty6/subsystem/tty62/subsystem/tty6/subsystem/tty42/dev