In this chapter, we looked at modules and snap-ins. Both modules and snap-ins may be used to extend the set of commands available in PowerShell.

Snap-ins are rarely used these days in favor of modules, as modules are more flexible and simpler to work with.

The PowerShell Gallery is a valuable source of modules published by Microsoft and others.

In Chapter 4, Working with Objects in PowerShell, we will dive into objects in PowerShell.