Here's a tip from my colleague Ed Wilson (the Microsoft Scripting Guy) about how to use PowerShell to
Question: : You are looking at processes on your system, and want a listing that is unique by name. How can you do this using Windows PowerShell?
Answer: Use the get-process cmdlet to get the listing of processes, sort the list by name and then pipeline the objects to the Get-Unique cmdlet. The following illustrates this technique:
Get-process | sort-object name | Get-Unique
Mitch Tulloch is a nine-time recipient of the Microsoft Most Valuable Professional (MVP) award and a widely recognized expert on Windows administration, deployment and virtualization. For more information see http://www.mtit.com.
Ed Wilson is the bestselling author of eight books about Windows Scripting, including Windows PowerShell 3.0 Step by Step, and Windows PowerShell 3.0 First Steps. He writes a daily blog about Windows PowerShell call Hey, Scripting Guy! that is hosted on the Microsoft TechNet Script Center; for more PowerTips check out the Hey, Scripting Guy! blog.