Guide to Operating Systems, Enhanced Edition provides the information needed to understand and support the desktop, server, and network operating systems in use today -- Windows XP, Windows Vista (the latest Windows version) Windows Server 2003, Windows Server 2003 R2, Windows 2000, SUSE Linux, Fedora Linux, Red Hat Enterprise Linux, Mac OS X (Panther and Tiger), and NetWare. Major concepts include operating system theory, installation, upgrading, configuring (operating system and hardware), file systems, security, hardware options, storage, resource sharing, network connectivity, maintenance, and troubleshooting. This book combines theory and technical practice for a stronger understanding, and it is great for training technical professionals who support multiple operating systems.