new command interpreter : MONAD

Shells are used as the command interpreter in unix/linux. In Microsoft
windows, it is been done by cmd.exe. Microsoft is coming up with the
new command interpreter for Windows Vista and is termed as Monad
(Monad Shell) or MSH. This Monad interpreter runs in any OS where
.NET 2.0 can be installed such as Windows XP SP2 or Windows Server
2003 SP1. Learn more about Monad with
http://www.microsoft.com/technet/scriptcenter/hubs/msh.mspx