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 ...

One of the most powerful features of Unix and Linux is that using ... a problem in other simple shell scripts, too. Working with json is easy. For example, if you want to find the fields that ...

But now with platforms like the Raspberry Pi becoming very common, Linux shell scripts can ... (as seen in the video below). For example, a common issue with shell scripts is to forget to quote ...