Working with LINQ in Sharepoint programmatically

Here is some links about working with LINQ in sharepoint.
(1) Join SharePoint Lists with LINQ « Solutionizing .NET

(2) SharePoint 2010 Cookbook: Using LINQ to Query SharePoint Lists

(3) DataTable to Dictionary using LINQ's den...

(4) Karine Bosch’s Blog

(5) How to use LINQ in SharePoint

(6) Use Linq inside a Script Block of an Application Page - SharePoint minimal configuration for Linq

(7) SharePoint Development with LINQ

(8) LINQ to SharePoint - code snippets