We have barely touched PowerShell basics, but this appendix should give you an idea how to use PowerShell. To learn more about PowerShell, pick up a book or two that dives deep into the PowerShell syntax and its intricacies. There are also a number of sites and blogs that have collections of articles on PowerShell. The following are a few resources you might find useful with your PowerShell adventure:
PowerShell team:Windows PowerShell Blog: http://blogs.msdn.com/powershell/
PowerShell.com: http://www.powershell.com
PowerShell Magazine: http://www.powershellmagazine.com/
MSDN Channel 9 PowerShell Webcasts: http://channel9.msdn.com/tags/PowerShell/
PowerScripting Podcasts: http://powerscripting.wordpress.com/