//sys/class/tty/tty25/subsystem/tty4/subsystem/ttyS3/subsystem/tty15/subsystem/tty7/subsystem/tty27/subsystem/tty27/subsystem/tty16/subsystem/tty50/subsystem/ptmx/subsystem/tty39/subsystem/tty10/subsystem/tty8/subsystem/tty9/subsystem/tty23/uevent