//sys/class/tty/tty21/subsystem/tty0/subsystem/tty15/subsystem/tty8/subsystem/tty38/subsystem/tty5/subsystem/tty42/subsystem/tty52/subsystem/tty/subsystem/tty9/subsystem/tty29/subsystem/ptmx/subsystem/tty28/subsystem/tty23/subsystem/tty4/dev