Mono's mdb debugger?

This site explains about the Mono debugger (mdb), but I can't run/find mdb on my Mac/Mono (Mono 2.8.1).

smcho@prosseek ver3> mdb
-bash: mdb: com开发者_高级运维mand not found

Doesn't Mono 2.8.1 ship with mdb?

I do not believe mdb is supported on Mac. I know it's definitely not supported on Windows.

All current and future debugger development effort is on the soft debugger (sdb), which is much easier to support on various platforms. However, it does not have a command line interface at this time.

http://www.mono-project.com/Soft_Debugger