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Graham Glass is Chief Technology Officer of WebMethods. He has taught UNIX, C, assembly language, C++, Smalltalk, and other computer science topics at the University of Texas at Dallas, where he earned his M.S. in computer science. Glass co-founded ObjectSpace to deliver object-oriented training, consulting and products. He also founded The Mind Electric, which created the Glue web services platform and the Fabric shared SOA infrastructure platform. King Ables has developed UNIX/Linux product software and systems tools, delivered support and training services, and written product documentation. Now an independent consultant specializing in IT services and network security, he has worked with Unix technologies since 1979 as a user, developer, system administrator, and consultant. Glass and Ables co-authored UNIX for Programmers and Users.