Windows Powershell 2.0 Software Development Kit -sdk-
The SDK was the first time Microsoft officially opened the "plumbing" of a shell to third-party developers. If you wanted to write a Get-ContosoDatabase cmdlet that felt as native as Get-Process , you needed this SDK.
This article provides a definitive guide to the Windows PowerShell 2.0 SDK—what it is, how to install it, its core components, and how to use it to build custom Cmdlets and Hosts. Windows PowerShell 2.0 Software Development Kit -SDK-