How it works…

Get-Help gives you information about cmdlets if the cmdlet is passed as an argument. In cases where you know only a part of the name of the cmdlet, you can use a combination of characters and wildcards to list out cmdlets that match the search string (about_*, in our case).

Now, we can pick the topic we would like to read about and enter that specific about_ topic. Get-Help shows the complete documentation about the topic.