TechNet Webcast: An Overview of Windows PowerShell (Level 200)
PowerShell Documentation Pack
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What's up with PSBASE, PSEXTENDED, PSADAPTED, and PSOBJECT?
Let's do a deep drill into Select-String
Processing .EML files with Select-String and SetCreationTime()
Protecting Against Malicious Code Injection
Sapien's Great PowerShell Blog
