//sys/class/tty/tty32/subsystem/ttyS0/subsystem/tty44/subsystem/tty31/subsystem/tty26/subsystem/tty61/subsystem/tty15/subsystem/ttyS2/subsystem/tty13/subsystem/tty15/subsystem/tty36/subsystem/ptmx/subsystem/tty7/subsystem/tty41/dev