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Mastering PowerShell Scripting - Fourth Edition

You're reading from Mastering PowerShell Scripting - Fourth Edition

Product type Book

Published in Jun 2021

Publisher Packt

ISBN-13 9781800206540

Pages 788 pages

Edition 4th Edition

Languages

Concepts

System Administration

Author (1):

Chris Dent

Table of Contents (26) Chapters

Preface

1. Introduction to PowerShell

2. Modules and Snap-Ins

3. Working with Objects in PowerShell

4. Operators

5. Variables, Arrays, and Hashtables

6. Conditional Statements and Loops

7. Working with .NET

8. Strings, Numbers, and Dates

9. Regular Expressions

10. Files, Folders, and the Registry

11. Windows Management Instrumentation

12. Working with HTML, XML, and JSON

13. Web Requests and Web Services

14. Remoting and Remote Management

15. Asynchronous Processing

16. Graphical User Interfaces

17. Scripts, Functions, and Script Blocks

18. Parameters, Validation, and Dynamic Parameters

19. Classes and Enumerations

20. Building Modules

21. Testing

22. Error Handling

23. Debugging and Troubleshooting

24. Other Books You May Enjoy

25. Index

Working with WMI

The scope of WMI is vast, which makes it a fantastic resource for automating processes. WMI classes are not limited to the core operating system; it is not uncommon to find classes created after software or device drivers have been installed.

Given the scope of WMI, finding an appropriate class can be difficult. PowerShell itself is well equipped to explore the available classes.

WMI classes

PowerShell, as a shell for working with objects, presents WMI classes in a similar manner to .NET classes or any other object. There are several parallels between WMI classes and .NET classes.

A WMI class is used as the recipe to create an instance of a WMI object. The WMI class defines properties and methods. The WMI class Win32_Process is used to gather information about running processes in a similar manner to the Get-Process command.

The Win32_Process class has properties such as ProcessId, Name, and CommandLine. It has a terminate method that can be used...

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Authors (1)

Chris Dent

Chris Dent is an automation specialist with deep expertise in the PowerShell language. Chris is often found answering questions about PowerShell in both the UK and virtual PowerShell user groups. Chris has been developing in PowerShell since 2007 and has released several modules over the years.

See other products by Chris Dent

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