As Linux popularity soars, Red Hat Enterprise Linux 3 (RHEL 3) is emerging as the corporate Linux standard--the preferred open source operating system for businesses and governments who demand a reliable, secure, high performance platform. One of the few books to focus on RHEL 3, Mastering Red Hat Enterprise Linux 3 teaches intermediate and advanced users how to install, configure, and network Linux at the enterprise level. Author Michael Jang is highly regarded for his Windows-friendly style, as he easily guides the Windows user to Linux. This book includes detailed coverage of LDAP, SQL, focused sysadmin commands, and GUI.