Intro to PowerShell
If you plan to take any of the Microsoft certifications you will need to know PowerShell commands. If you work with the product and use PowerShell this is easy. If you don’t work with the product or you only use the GUI, you will have a hard time with the PowerShell commands on the exams.
You should also note that there are different versions of PoweShell for different Microsoft products. For example Microsoft Exchange has a special version with commands for Exchange.
Here are a few resources to help you out:
Channel 9 Videos
Getting Started with PowerShell 3.0: (01) Don't fear the shell
Getting Started with PowerShell 3.0: (03) The pipeline: getting connected and extending the shell
Getting Started with PowerShell 3.0: (04) Objects for the Admin
Getting Started with PowerShell 3.0: (05) The pipeline: deeper
Getting Started with PowerShell 3.0: (06) The PowerShell in the shell, remoting
Getting Started with PowerShell 3.0: (07) Getting prepared for automation
Getting Started with PowerShell 3.0: (08) Automation in scale, remoting
Getting Started with PowerShell 3.0: (09) Introducing scripting and toolmaking