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 ...

I realize this might throw a spanner into the editorial works here at Linux Journal, but after a two-month sidetrack on how to analyze letter usage in English to give you an edge in Hangman (yeah, I ...

You've heard of variables in PowerShell, right? How about reference variables? Maybe not. The reason is because a scripter can generally get by without them, but they do still have a purpose.

Variables are just about the most ubiquitous element inside any PowerShell script. Variables can easily be created and referenced inside your script. But sometimes you just need to test to see if they ...