In SharePoint 2003 the concept of Ghosting and Unghosting described what happened to your files when they were modified or customized. With SharePoint 2007 that terminology and the process by which customizations are handled has changed drastically. Instead SharePoint 2007 and WSS 3.0 are built on top of ASP.NET 2.0 and use the Virtual Page Parser. Thus, the process has changed and so has the name. With the next version of SharePoint right around the corner it’s probably a good idea to use the newer naming convention of Uncustomized/Customized and understand what it’s all about…