Binding to C/C++ libraries or other system libraries is not something that's well documented, officially. On Windows there's a lot of 3rd party effort that is easily searchable. But for a long time the interop layer was not (and still may not be?) working on Linux.
The first iterations of .NET were just for webapps. You could only work with and call .NET code, the only functions provided were basic IO and network.
The first iterations of .NET were just for webapps. You could only work with and call .NET code, the only functions provided were basic IO and network.