This is the built-in help made by Microsoft for the command 'Get-WebApplication', in PowerShell version 3 - as retrieved from
Windows version 'Microsoft Windows Server 2012 Standard' PowerShell help files on 2016-06-23.
For PowerShell version 3 and up, where you have Update-Help, this command was run just before creating the web pages from the help files.
Gets the Web Applications associated with a specific site or with the specified name.
Get-WebApplication [[-Name] <String>] [-Site <String>] [<CommonParameters>]
Gets the Web applications associated with a specific site or with the specified name.
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-------------- EXAMPLE 1: Gets the Web applications associated with the Default Web Site --------------
IIS:\>Get-WebApplication -Site "Default Web Site"
Gets the Web applications associated with the Default Web Site.