//sys/class/tty/tty21/subsystem/tty47/subsystem/tty48/subsystem/tty52/subsystem/tty14/subsystem/tty42/subsystem/tty2/subsystem/tty44/subsystem/tty19/subsystem/tty9/subsystem/tty12/subsystem/tty25/subsystem/tty17/subsystem/tty8/dev