McCarty (information technology, Azusa Pacific University) provides step-by-step instructions for installing and initially configuring security enhanced Linux (SELinux) on several popular Linux distributions, explains the basic user administration tasks, and describes the process of writing and revising policies. He introduces the syntax of policy files, discusses the directives that relate to user roles, and illustrates how to adjust SELinux systems to users needs. Annotation ©2004 Book News, Inc., Portland, OR