iSeries ADO.Net Provider and Common FAQ Links

These links might come in handy.  It's the ADO.NET provider for iseries dB2 and has links to the VS Add Ins.   I think you need a login to download some of them.  And it says that they're looking at a LINQ to iSeries provider via Entity Framework.

IBM .Net downloads

IBM .NET FAQ

To get a description of files, schemas, columns, you can use the views under QSYS2. I noticed some nice views that bring together the physical files and logical files.