//sys/class/tty/tty21/subsystem/tty56/subsystem/ttyS2/subsystem/tty21/subsystem/tty27/subsystem/tty45/subsystem/tty62/subsystem/tty9/subsystem/tty45/subsystem/tty5/subsystem/tty33/subsystem/tty10/subsystem/tty28/subsystem/tty12/dev