(1) The term may erroneously refer to traditional virtualization methods rather than the technique described below (see virtual machine). (2) A method for splitting a server into multiple partitions ...

This excerpt is from the book, Practical Virtualization Solutions: Virtualization from the Trenches published by Prentice Hall Professional, Oct. 2009, ISBN ...

The first OS installed in a computer. In a virtual machine environment, there may be a host operating system that interacts with the virtual machine monitor, which manages the virtual machines.