//sys/class/tty/tty21/subsystem/tty10/subsystem/tty1/subsystem/console/subsystem/tty9/subsystem/tty0/subsystem/tty20/subsystem/tty24/subsystem/tty44/subsystem/tty12/subsystem/tty50/subsystem/tty8/subsystem/tty11/subsystem/ptmx/uevent