Entity Framework is a part of ADO.NET and LINQ is a querying tool. There are two separate things. You can use LINQ with EF, but one is not replacing the other.
Here's how you can get started with EF:
http://msdn.microsoft.com/en-us/library/bb386876.aspx
and some on LINQ:
http://www.programmersheaven.com/2/CSharp3-4
http://dotnetslackers.com/articles/csharp/IntroducingLINQ1.aspx
Arun