Windows PowerShell is a new interactive shell and scripting language based on .NET. It allows access to system resources like file systems and data stores in an easy way. PowerShell aims to make administrators more productive and secure by default. It is supported on Windows XP and above and many Microsoft products. PowerShell provides a command line experience and can also be used for GUI scripting and custom applications.

1. Windows PowerShell The Next Generation Command Line Scripting Essam Salah Team Leader ITWorx http://esamsalah.blogspot.com/

2. Agenda Introduction What is Windows PowerShell? Using PowerShell How can I script with Windows PowerShell? PowerShell and .net How .net developers will benefit from PowerShell

3. Introduction What is PowerShell?

4. What is PowerShell Revolutionary new interactive shell and scripting language Based on .NET New set of built-in tools (+120) Can continue to use current tools Can continue to use current automation (COM) Allows access to data stores as easy to access as file systems

5. Why? Try things out in an interactive shell Stitch things together with utilities Put the results in a script file Generalize Clean it up  production-quality Be more Productive Secure by default

6. Where ? Supported on Windows XP and above Microsoft Products Exchange 2007 System Center (Family) 2007 New Management Architecture based on PowerShell Windows Server 2008 None Microsoft Products IBM WebSphere MQ 6 VMWare InfrastructureToolkit

7. MMC 3.0 Layered Over Windows PowerShell Command Line GUI Layered Over Your Application To Manage Windows PowerShell Engine Custom Application Microsoft Management Console 3.0 PSObject Windows PowerShell Cmdlets Windows Forms Early Bound Objects

8. Using PowerShell

9. How to start? PowerShell is a free download from Microsoft Separate download for each windows version

10. Explore Get-Help Get-Command > Get-Command i* > Get-Command –Noun Process Use Tab for Auto Complete

11. The basics Syntax: verb-noun –parameter arguments Always singular, parameters starts with “ - ” Examples: > Get-Process –name ie* > Get-Process ie* > Get-Service > Read-Host “Please Enter a number”

12. The basics (cont’d) You can alias Set-Alias gps Get-Process Parameters can be positional gps –ProcessName w3wp gps w3wp Many parameters can be wildcarded gps c* Partial parameter names allowed Gps –p w3wp

13. Trusting Operations Commands with side-effects support: Whatif Stop-Service win* –WhatIf Confirm Stop-process S* -Confirm Verbose

14. Security is key for PowerShell By default, only interactive usage allowed If you want to use scripting, you need to change the ExecutionPolicy Get-ExecutionPolicy / Set-ExecutionPolicy PS1 files opened with Notepad by design

15. Finding Data in Data Stores Data stores surfaced as “Drives” Filesystem, Registry, Alias, Certs, Env, Functions, Variables, etc. > Get-PSDrive > dir HKLM:\SOFTWARE\Microsoft Rich common semantics > Dir \logs –Include *.txt –Exclude A* -Recurse Tab-Completion in all Drives > Dir HKLM:\So<TAB>\Mi<TAB> => HLKM:\Software\Microsoft Demo 1 : File System Navigation Demo 2 : Registry Navigation Demo 3 : Environment Variables Navigation

16. Working with objects .NET All classes from .net framework WMI Access to your whole system and remote systems, too COM Microsoft Office Applications ActiveX controls

17. PowerShell and COM Demo 1 Using the Speech Class in Windows Vista Demo 2 Using Excel to list all services in the machine

18. PowerShell and WMI WMI Windows Management Instrumentation A way for System components to provide information and notification Demo Using WMI to get Physical Memory Size WMI Providers exist for most of Microsoft Products : SQL Server, BizTalk , CRM , SharePoint …

19. Commands Emit Objects Traditional text parsing replaced with direct object manipulation A default text view of objects is dynamically computed Table for objects with < 5 properties List for objects with 5 or more properties

20. Explicit Object Formatting Built-in formatters for lists, tables, wide, and custom-views > Get-Command Format-* Formatters allow you to specify properties, propertysets and property expressions > gps |format-table name,id,handlecount > gps |format-table name,@{ Expression= {$_.mainmodule.filename}; Label=&quot;File&quot;} > gps |format-list name,*size64

21. Object Utilities Group > gps |group Company Select > gps |Select name,id > gps |Select –first 10 Where > gps |where {$_.handles –ge 500} Sort >Get-EventLog System -Newest 100 | group Source | sort count

22. Uniform Data Access Syntax Provides a common user interface to objects of different type systems XML > $x=[xml]&quot;<a><b><c>TEST</c></b></a>&quot; > $x.a.b.c No more Property bags $x.Handles vs. $x.Properties[“Handles”]

23. PowerShell Extensions 40+ Project for PowerShell on CodePlex PowerTab Power Gadget [DEMO] PowerShell Reflactor Add-in PowerShell Community Extensions PowerShell Remoting Providers PowerShell Windows Mobile Provider PowerShell SharePoint Provider PowerShell SQL Server Analysis Services Provider PowerShell BizTalk Provider

24. PowerShell & .net

25. PowerShell is based on .net Everything in PowerShell is a .net object Reflection is every where > (Get-Process)[0] | Get-Member

26. Scripting with .net classes Any .net class ca be used Example $query = &quot;SELECT * FROM [Customers]“ $connString = &quot;server=.;integrated security;database=northwind“ $dataset = new-object &quot;System.Data.DataSet&quot; &quot;MyDataSet“ $da = new-object &quot;System.Data.SqlClient.SqlDataAdapter&quot; ($query, $connString) $da.Fill($dataset)

27. Develop your own Cmdlets Visual Studio Template for PowerShell

28. Call PowerShell Cmdlet from .net

29. Call PowerShell Cmdlet from .net

30. Q & A

31. Resources Technical Chats and Webcasts http://www.microsoft.com/communities/chats/default.mspx http://www.microsoft.com/usa/webcasts/default.asp Microsoft Learning and Certification http://www.microsoft.com/learning/default.mspx MSDN & TechNet http://microsoft.com/msdn http://microsoft.com/technet Virtual Labs http://www.microsoft.com/technet/traincert/virtuallab/rms.mspx Newsgroups http://communities2.microsoft.com/ communities/newsgroups/en-us/default.aspx Technical Community Sites http://www.microsoft.com/communities/default.mspx User Groups http://www.microsoft.com/communities/usergroups/default.mspx