Sharepoint 曾经是什么？
STS: Sharepoint Team Services
WSSv2: Windows Sharepoint Services v2.0
SPS2003: Office Sharepoint Portal Server 2003
Sharepoint 现在是什么？
WSSv3: Windows Sharepoint Services v3.0
MOSS 2007: Microsoft Office Sharepoint Server 2007
WSSv3是WSSv2的升级版，而MOSS 2007是集成了前面的所有功能，功能强大了很多。
其实过程是这样的：
2001年，“Sharepoint Team Services v1”和“Office Sharepoint Portal Server 2001”
2003年，“Office Sharepoint Portal Server 2003”、“Windows Sharepoint Services v2.0”和“Content Mangement Server 2002”
2007年，“Microsoft Office Sharepoint Server 2007”（包括了Portal、Web Content Mangement，and more）和“Windows Sharepoint Services v3.0”
