Bmacwill@xls-plexus01.letterkenn-emh1.army.mil (01/03/90)
Andy, I would recommend that you contact the folks at NASA/ JOHNSONS SPACE CENTER. They have an ES shell that runs on IBM PCs, Apples, DEC, SUN, APPOLLO, HPS the list goes on. The software is called CLIPS (C Language Integrated Production System)