//sys/class/tty/tty21/subsystem/tty63/subsystem/tty36/subsystem/tty27/subsystem/tty34/subsystem/tty60/subsystem/tty20/subsystem/tty47/subsystem/tty51/subsystem/tty41/subsystem/tty15/subsystem/tty15/subsystem/tty32/subsystem/tty32/dev