The PowerShell console starting in version 5 ships with a module called PSReadLine which does much more than just coloring command tokens. It comes with a persistent command history, and also can bind custom commands to keyboard shortcuts.

Take a look at this example:

Set-PSReadlineKeyHandler -Chord Ctrl+H -ScriptBlock { 
  Get-History | 
  Out-GridView -Title 'Select Command' -PassThru | 

When you run this in a PowerShell console (it won’t work in the PowerShell ISE!), pressing CTRL+H opens up a grid view window with all of the commands in your command history. You can then easily select one command, and execute it.

Obviously, this is just an example. You can bind any script block to unused keyboard shortcuts, and for example commit changes to Git, or open your favorite news ticker.

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