A script is just a collection of commands saved into a text file (using the special .ps1 extension) that PowerShell understands and executes in sequence to perform different actions.

A Windows PowerShell script file is nothing more than a plain-text file that has a .PS1 filename extension. The "1" doesn't refer to the version of Windows PowerShell, but rather the version of ...

To check the PowerShell execution policy, you must create and run the PowerShell script file. 3] ... you create steps and these steps are further stored in a file with the .ps1 extension.