Summary: Learn how to automatically search Windows PowerShell 3.0 Help.
How can I search Windows PowerShell 3.0 Help files for a topic such as trustedhosts?
Use Get-Help and supply the topic. Windows PowerShell Help automatically searches the content of the files, as shown here.
PS C:\> get-help trustedhosts
Name Category Module Synopsis
---- -------- ------ --------
Invoke-Command Cmdlet Microsoft.PowerShell.Core Runs comman...
about_Remote_FAQ HelpFile Contains qu...
about_Remote_Troubleshooting HelpFile Describes h...
