Virtualization 101 provides an overview of virtualization and the VMware product suite. It begins with an introduction to virtualization and its benefits such as cost reduction and increased efficiency. It then discusses VMware's position as the market leader in virtualization and its core virtualization products, including vSphere Hypervisor. vSphere Hypervisor is VMware's free hypervisor that allows users to quickly partition a physical server into multiple virtual machines. The document provides installation and setup instructions for vSphere Hypervisor and explains how to create and manage virtual machines. It aims to give attendees a fundamental understanding of virtualization and how to get started with VMware's virtualization technology.