SANDRA HENRY-STOCKER is the author of two books on Solaris and a columnist for ITworld.com. A twenty-year Unix veteran, she currently works as a systems engineer for TeleCommunication Systems in Annapolis, Maryland, and teaches classes on Unix and Internet topics at Anne Arundel Community College.

EVAN R. MARKS has more than fifteen years as a Unix system administrator in the financial and manufacturing industries. Currently, he is assistant vice president of enterprise engineering at MassMutual Financial Group and is responsible for the Unix engineering and image workflow teams.