My friend and fellow debugger Brian at http://Kodehoved.dk recently wrote a couple of posts on news with sos for .NET framework 4.0 (in Danish) New SOS Commands in .NET 4 More debugging news in CLR 4 Since Danish, although a beautiful language is probably foreign to most of you I figured I’d write a summary of the new commands in English and add some comments of my own. Loading sos for .NET 4.0 As in 2.0 you will find sos.dll in the framework directory so you can load it in windbg or cdb using the full path .load C:\Windows\Microsoft.NET\Framework\v4.0.30128\sos.dll You can also use the short hand .loadby method but since the name of the core dll has changed in 4.0, you will no longer load it using .loadby sos mscorwks, instead you can now load…(read more)