Chapter 4. Managing MSH Scope and State

So far, we've seen a number of different aspects of MSH, including the idea of cmdlets, pipelines, and the shell language of variables, functions, and filters. In this chapter, we'll look at the MSH infrastructure that brings all of these components together and allows them to work seamlessly with each other.

In the following pages, we'll look at some of the services that MSH provides. The material we'll cover here is applicable throughout the shell, and tools such as text matching and regular expressions will likely become an indispensable part of your toolkit.