//sys/class/tty/tty55/subsystem/tty41/subsystem/tty15/subsystem/tty54/subsystem/tty44/subsystem/ttyS0/subsystem/tty43/subsystem/tty52/subsystem/tty53/subsystem/ttyS2/subsystem/tty44/subsystem/tty4/subsystem/tty21/dev