Relationship Between Microsoft Windows SharePoint Services (WSS) And Microsoft SharePoint Portal Server (SPS)
*WSS is the “foundation” with its document libraries and lists, versioning, check-in and check-out, alerts, web parts, shared calendars and discussions *SPS builds on top of WSS providing
a number of tools for deployment
and management *SPS also provides cross sites/organizations functionalities and tools as well as access
to various integrations