//sys/class/tty/tty21/subsystem/tty58/subsystem/tty28/subsystem/tty33/subsystem/ptmx/subsystem/tty16/subsystem/tty31/subsystem/tty13/subsystem/tty17/subsystem/tty7/subsystem/tty11/subsystem/tty33/subsystem/tty34/subsystem/ttyS0/subsystem/tty39/dev