//sys/class/tty/tty21/subsystem/tty56/subsystem/ttyS2/subsystem/tty21/subsystem/tty27/subsystem/tty45/subsystem/tty62/subsystem/tty9/subsystem/tty45/subsystem/tty5/subsystem/tty36/subsystem/tty44/subsystem/tty58/subsystem/tty19/dev