Summary: Learn how to find free commands in Windows PowerShell 5.0.

 I would like to customize my command line experience in Windows PowerShell 5.0, but I don’t want to write
           a lot of code. How can I find available commands that are not bound to any keyboard chord sequence?

 Use the Get-PSReadlineKeyHandler and look for unbound commands:

(Get-PSReadlineKeyHandler).where({$_.key -eq 'unbound'})