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 ...

#!/bin/bash clear echo "Hello world!" The first line tells the operating system what shell to use to interpret the script and the location of the shell. Double quotes do not prevent Bash from ...

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.

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 ...