Senior UNIX System Administrator, Medical Archival Systems, Inc. (part ofUniversity of Pittsburgh Medical Center). Matthew Cheek is a practicing UNIXsystem administrator with experience in the telecommunications, healthcare,and manufacturing industries and has supported various flavors of UNIX since1988 and Tru64 UNIX since 1996. He is a frequent contributor to "SysAdmin",a monthly magazine for the UNIX system administration community. Matthew isthe author of "Digital UNIX System Administrator's Guide", also from DigitalPress. Scott Fafrak is a Senior Consultant and Instructor for BRUDEN Corporation, which provides TruCluster, Tru64 UNIX, and OpenVMS training and course development throughout the US. He is also on the Advisory Board for the Tru64 UNIX Ambassadors at Compaq Computer Corporation. He was formerly the TruCluster Focal Team Leader for the UNIX Expert Team at Compaq's Customer Support Center in Alpharetta, GA. During his 13+ years with Compaq (and Digital) he supported UNIX and cluster technology as a Consultant, Software Engineer, Instructor, and System Administrator. Steven Hancock is currently a File Systems Support Engineer in HP's Tru64 UNIX Support Engineering Group. He specializes in support of TruCluster, AdvFS, UFS and LSM. Steve has been supporting Tru64 UNIX and TruCluster in various roles for the past several years and has been a system administrator of various UNIX variants since 1988. Steve is the author of Tru64 UNIX File System Administration Handbook, also available from Digital Press. Both Steve and Martin Moore are co-authors of the second edition of the Tru64 UNIX System Administrator's Guide. Martin Moore is a Leader of the UNIX Expert Support Team, Hewlett Packard Corporation. Martin Moore has led Compaq Computer (now HP) Corporation's UNIX expert support team since 1997. He has been a UNIX system administrator and consultant since 1992, and is an expert in UNIX security, performance tuning, and Tru64 UNIX internals. Greg Yates is currently a Senior Consultant on the Tru64 UNIX Support team at Hewlett-Packard Company.