Difference Between VSS and TFS

Hi,
Here is the link which explains the difference between VSS and TFS more specific
http://msdn.microsoft.com/en-us/library/ms181369(VS.80).aspx

Here is the Crisp information about the difference between VSS and TFS

The choice between VSS and TFS depends on Project Complexity

1)When you want to control only your Solution Explorer then it is better to choose VSS whereas TFS supports control over documenting,auditing and SolutionExplorer

2)To Use VSS no extra tools are needed whereas for TFS need IIS,SqlServer

3)Multiple Checkin are allowed for the same file in TFS whereas it is not possible in VSS

4)Scalability is the main difference for VSS . Vss can support a team about 20 peoples whereas TFS supports around 2000 People

5)Visual SourceSafe does not store the merge history between two branches of files or folders. However, Team Foundation source control does have support for merge history