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Summary: Use the Write-Eventlog Windows PowerShell cmdlet to write to a standard or to a custom event log.   How can you easily write output to an event log? Use the Write-EventLog cmdlet, and make sure that you specify the log name and the source: write-eventlog -logname Application -source MyApp -eventID 3001 -entrytype Information...

Summary: Look at variables that do not have a description.  How can you look at automatic and user-created variables that have no description?  Use the Get-Variable cmdlet and search for an empty description:             Get-Variable | where description -eq ""

Summary: Find the last Windows PowerShell command by using an automatic variable.  How can you find the last Windows PowerShell command that was run?  Use the $$ automatic variable.

Summary:  Learn how to use Windows PowerShell 3.0 to locate modern apps installed on a computer running Windows 8.  How can you use Windows PowerShell 3.0 to find out which modern apps are installed on a computer running Windows 8?  Use the Get-AppxPackage cmdlet:           ...

Summary: Use Windows PowerShell 3.0 to determine the specific edition of Windows 8 running on your computer.  Using Windows PowerShell 3.0 in Windows 8, how can you determine the edition of Windows that is installed?  Use the Get-WindowsEdition cmdlet with the Online switch:          ...