See also Microsoft | Shell | Command-Line Interface
Acronym: Microsoft Shell
Also known as codename ‘Monad’, MSH is Microsoft’s new, object oriented shell which is marketed for inclusion in Longhorn. *NIX people often claim Microsoft’s command.com or cmd.exe shell is not powerful enough. ‘Monad’ tries to solve some of these problems, by including e.g. the ‘tab completion’ feature.
Related
TakeDown.NET -> “MSH”