Today, an increasing fraction of the world’s intellectual output is in the form of executable content. These include simulation models, tutoring systems, expert systems, data visualization tools, and so on. Even content that could be static (such as a company’s product information Web page) is often dynamically generated through execution of code that customizes the content and appearance at runtime... [Olive seeks] to freeze and precisely reproduce the execution state that produced this dynamic content.
M. Satyanarayanan
VirtualBox is a general-purpose full virtualizer for x86 hardware. Targeted at server, desktop and embedded use, it is now the only professional-quality virtualization solution that is also Open Source Software. run bsd on a mac.