One crucial component of the Linux environment is the PATH variable. It's like a guide that directs the system to where it can find the programs you're asking it to run. In this article, we will delve ...

This post follows up on Part 1 by examining the many ways that you can test the value of variables – e.g., whether they equal particular strings like “yes” or “no”, if they have a numeric value, if ...

With an immutable distribution, you never have to worry about an upgrade breaking things. These are my favorite immutable Linux distros.

There I was, trying to come up with a topic for this column, when I did what I usually do when stumped: I sent a question out to my Twitter followers. This time, I got a great answer, from John ...

The eval command allows you to run the contents of variables as commands and can be very useful, especially in scripts. There are probably a lot of Linux users who have never encountered the eval ...