If you're working in a Linux environment, chances are you've encountered environment variables—even if you didn’t realize it at the time. They quietly power much of what goes on behind the scenes in ...

Last year, I wrote a lesson on working with the ENV: PSDrive. I still encourage students to use $ENV:Computername to get the local computer name instead of using ...

Windows environment variables give system administrators access to a plethora of information about the Windows operating system. Separated into system and user-level scopes, default environment ...