A search for SharePoint on Microsoft's site will immediately lead to the product page forMicrosoft Office SharePoint Server 2007 (MOSS 2007). Almost as an afterthought, there is a link to Windows SharePoint Services (WSS) as an underlying technology. What the site does not immediately reveal is that many enterprises benefit from the collaborative capabilities of SharePoint by installing WSS alone.
The many versions of SharePoint can be divided into two groups: entry-level (WSS) and advanced (SharePoint Server). Table 1 describes the differences between the two.