No one (including your author) knows what your particular PowerShell needs will be when working with IIS. Fortunately PowerShell is designed to be flexible. This chapter is a collection of my favorite PowerShell commands that I keep around. Each of these is explored elsewhere in this book, but here they are together for your reference. The list is always growing and changing, but this is a good start for your own cheat sheet.
PS> Import-Module ServerManager #only required for PowerShell v2 PS> Get-WindowsFeature –Name *web*
PS> Import-Module ServerManager #only required for PowerShell v2 PS> Add-WindowsFeature Web-Server