which module contains powershell help system for powershell
Applies To: Windows PowerShell 2.0, Windows PowerShell 3.0, Windows PowerShell 4.0, Windows PowerShell 5.0. This section contains the help topics for the Microsoft.PowerShell.Host module. The Microsoft.PowerShell.Host module contains cmdlets that manage the feature of programs that host Windows PowerShell. It is installed with Windows PowerShell.