This document summarizes SUSE Linux Enterprise Desktop and Server. It discusses how SUSE Linux Enterprise can provide a flexible IT infrastructure as an alternative to Microsoft solutions. It highlights customer use cases across various industries using SUSE Linux Enterprise Desktop for general desktop, thin clients, and transactional/point-of-service applications. The document also discusses proven customer successes, advantages of Linux like flexibility and lower costs, and how a layered migration from Windows to Linux is possible.