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 ...

Claim your complimentary copy (valued at $35.99) for free before the offer expires on April 9. Dive into the world of Linux shell scripting with this hands-on guide. If you’re comfortable using the ...

One of the first commands new Linux users learn is echo. Need to print some text or debug a script? Add an echo statement. However, from my usage, I've found printf to be far more powerful. Once you ...