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Rick Bushnell BA (Hons), P.G.C.E, M.B.C.S, SCNA has over 20 years of UNIX and networking experience and was the technical lead for the Sun team that developed the Sun Certified Network Administrator for the Solaris Environment exam. As a Sun Microsystems employee, Rick specialized in Solaris system and network administration support/education and has taught Solaris and TCP/IP administration to thousands of professionals. Rick is currently managing director of Gvon, Ltd., in the UK.