In a TCPUDP communication system, a communication process begins with a receipt of a communication request from an application program that does not specify a predetermined communication parameter such as source port number. Thus the venetian blind comprising these slats can be made to cover very large window openings or other parts of buildings and rooms. The electronic controller responds to this signal by moving the loader arms or bucket and simultaneously locking the suspensions. A shortcut is established in the system partition pointing to a first original file of the original files.