Exactly, what do you want to know?
Because the entire process of develop a network-aware program requires several steps including, data base design, RDD selection, defining record and file lock strategy, and many other aspects, and some degree of knowledge (beyond beginners) of the clipper languaje itself.
You can read the Steve Straley's book "Network programming with Clipper", also read the documentation that comes with clipper that refers to the basic topics of networking programming.