//sys/class/tty/tty21/subsystem/tty58/subsystem/tty28/subsystem/tty33/subsystem/ptmx/subsystem/tty31/subsystem/tty55/subsystem/ttyS2/subsystem/tty57/subsystem/tty9/subsystem/tty11/subsystem/tty37/subsystem/ttyS1/device/tty:ttyS3/dev