Windows PowerShell is a command-line shell and scripting environment that enables command-line users and scripters to take advantage of the power of the.NET Framework.
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It introduces a number of very useful new concepts that further extend the knowledge you gain and scripts you create in the Windows Command Prompt and Windows Script Host environments.
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Windows PowerShell v3 will be released with Microsoft Hyper-V 3.0 and Windows Server 2012. PowerShell v3 is a Windows task automation framework that consists of a command line shell and is built into this. NET framework on the programming language composition.
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PowerShell v3 uses a new cmdlet to give administrators greater insight into system processes that can be made into executable files or scripts. A cmdlet is a lightweight command that Windows PowerShell runtime calls in the context of an automated script.
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The Cmdlet includes a Get-Location to display the current directory, a Get-Content to access the contents of the file, and a Stop-Process to end the running process.
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PowerShell v3 comes with Windows Management Framework 3.0 in Windows Server 8. The PowerShell runtime can also be embedded into other applications.