LINQ to SQL Samples- Must Read

I found this good repository of samples on MSDN on the topic : LINQ to SQL Samples
Useful for the beginners willing to learn LING.

http://msdn.microsoft.com/en-us/vbasic/bb688085.aspx

LINQ is Languages Integrated Query that has been ported with Dot Net Framework 3+ and is a part of Visual Studio 2008.

Here is an another introductory article from about.com on LINQ and XML
http://visualbasic.about.com/od/learnvbnet/a/LVBE_L6.htm?nl=1