Written for a wide audience of both academic and professional users, this is a complete reference that gives equal weight to UNIX network concepts and their practical implementation. The book covers the two main UNIX platforms as well as the various UNIX flavors, including HP-UX, AIX, SunOS, and LINUX. The book serves as a textbook and a comprehensive, up-to-date reference on the continually evolving UNIX operating system. Its coverage includes UNIX administration, network administration, supplemental UNIX topics, and case studies.