PowerShell is an object-oriented scripting environment for enterprise scale administration of Active Directory, Exchange and now increasingly SQL Server 2008 R2. A tiny DBA team can scale out to manage hundreds of SQL Server instances and thousands of databases with minimal effort.

1. Why use PowerShell? Siraj Jamdar

2. Why use PowerShell Master Data Services SnapIn Multi-Server Management, SQL 2k5, 2k One workstation, one script  unlimited targets Harness .NET and WMI Application Domain-specific solutions (WinForms) Better OS integration, async execution

5. Some links http://www.databasejournal.com/article.php/3300441/Muthusamy-Anantha-Kumar-aka-The-MAK.htm http://blogs.technet.com/b/heyscriptingguy/archive/2009/05/26/why-should-i-use-windows-powershell-with-sql-server-2008.aspx http://sqlblog.com/blogs/allen_white/archive/2008/01/25/using-powershell-and-sql-server-together.aspx http://www.simple-talk.com/sql/database-administration/why-this-sql-server-dba-is-learning-powershell/