PowerShell

1. What is PowerShell

   Cmdlets, objects, and cross-platform shell.

2. Pipelines

   Passing objects between cmdlets.

3. Variables and Operators

   Variable types, scopes, and operators.

4. Functions

   Advanced functions, parameters, and parameter binding.

5. Classes

   Defining classes and enums in PowerShell.

6. Error Handling

   Terminating and non-terminating errors, try/catch/finally.

7. Modules

   Creating and importing modules.

8. Remoting

   Running commands on remote machines.

9. Background Jobs

   Running commands in the background.

10. Execution Policies and Security

    Script execution controls and signing.

11. Regular Expressions

    Regex usage in PowerShell.

Each section links to the official page. Titles and summaries by Extra Credit; the docs belong to their authors.

Source: endoflife.date