windows shell - powershell_windows powershellcopyright (c) microsoft corporat-优快云博客

本文介绍PowerShell作为Windows平台系统管理的强大工具，相比传统批处理具备更佳的字符串操作能力和控制结构。通过示例演示如何启动PowerShell并执行简单命令来解析环境变量。

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Power shell is a replacement to the existing shell (batch to be more precisesly speaking). Powershell has beeter string manipulation and better control construct, whch maneks it better for system administration on the windows platform
to start the powershell, you can start the command line

powershell

and then you can type some command in, here is an example

C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC>powershell
Windows PowerShell
Copyright (C) 2009 Microsoft Corporation. All rights reserved.

PS C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC> $a = $env:path; $a.split(";")
C:\Program Files (x86)\Microsoft F#\v4.0\
C:\Program Files (x86)\Microsoft Visual Studio 10.0\VSTSDB\Deploy
C:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\IDE\
C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\BIN
C:\Program Files (x86)\Microsoft Visual Studio 10.0\Common7\Tools
C:\Windows\Microsoft.NET\Framework\v4.0.30319
C:\Windows\Microsoft.NET\Framework\v3.5
C:\Program Files (x86)\Microsoft Visual Studio 10.0\VC\VCPackages
C:\Program Files (x86)\HTML Help Workshop
C:\Program Files (x86)\Microsoft Visual Studio 10.0\Team Tools\Performance Tools
C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\bin\NETFX 4.0 Tools
C:\Program Files (x86)\Microsoft SDKs\Windows\v7.0A\bin
c:\program files (x86)\fortify software\hp fortify v3.60\bin
C:\Windows\system32
C:\Windows
C:\Windows\system32\wbem
C:\Windows\system32\windowspowershell\v1.0\
C:\SysAdmin
c:\program files (x86)\microsoft application virtualization client
C:\SysAdmin\bin\winengine
c:\program files (x86)\common files\hitachi id\
c:\program files\openafs\2011.4.22-x64\bin
\\ms\dist\aurora\proj\modulecmd\prod\bin
c:\program files\perforce
C:\SysAdmin\bin\winengine
c:\program files\openafs\2012.5.16-x64\bin

You may find more deails on the first to Powershell series like here: "Running Windows PowerShell Scripts"
http://technet.microsoft.com/en-us/library/ee176949.aspx