This Cookbook by Windows PowerShell team developer Lee Holmes provides hundreds of tested scripts that you can use right away to get Microsoft's new tool working for you. More than 150 recipes, combined with a concise task-based introduction to the Windows PowerShell scripting language and environment, make it the perfect look-up guide when you encounter a thorny problem, or need a quick solution. The ideal companion to any tutorial or reference, this book meets the needs of system administrators at any level. Microsoft has revolutionized the world of system management and command-line shells with its release of Windows PowerShell, and Lee Holmes gives you practical tools and inside advice that will make you a more productive user and administrator. You will be able to solve everything from automating routine tasks, working with files, event logs and other forms of structured data, to managing the users and resources of complex Windows networks. Each recipe includes a focused piece of code plus discussion of how and why it works, so that you can apply the solution to similar tasks. You get an array of recipes covering PowerShell fundamentals, common tasks, and administrator tasks, including:Pipelines, variables, objects, looping and flow control, strings and unstructured text, calculations and mathSimple files; structured files; Internet-enabled scripts; code reuse; lists, arrays and hashtables; user feedback; error management; environmental awareness; script signing; and moreFiles and directories, registry manipulation, comparing data, event logs, process cmdlets, service cmdlets, Active Directory, enterprise computer management, and more Those who administer Microsoft's Exchange 2007 and System Center Operations Manager (formerly MOM) will also benefit from this book, with separate chapters devoted to these servers. All Windows administrators will appreciate the appendices that include a PowerShell language quick reference, and a reference to the .NET, WMI and COM objects that PowerShell scripters will use often. With working scripts, tutorials, and references all in one volume, Windows PowerShell Cookbook will turbocharge the productivity of any Windows administrator.