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Bill Calkins is owner and president of Pyramid Consulting, a computer training and sonsulting firm near Grand Rapids, Michigan, specializing in the implementation and administration of Open Systems. He is also the owner of www.unixed.com, a web site that provides online UNIX training materials. He has more than 18 years of experience in UNIX system administration, consulting, and training at more than 100 different companies. Bill has authored several UNIX textbooks, which are currently best sellers and used by universities and training organizations worldwide, including Solaris 8 System Administrator Certification Training Guide (1578702496).