Osman Ayhan ERDEM received his BSc degree from Gazi University and his M.Sc. and PhD degrees from Gazi University Institute of Science and Technology, Turkey. He attended the English Language Education Program of Indiana University, USA. He finished the Technology of ComputingnEducation at Purdue University. He is currently a Prof. Dr. at Gazi University Technology Faculty Department of Computer Engineering. His research focus is open source programming, Unix-based systems, industrial network equipment, computer networks, wireless networks, mobile ad-hoc networks, fuzzy logic, computer programming language, and computer software. He has published books and papers.