Global variables or environment variables are variables available for any process or application running in the same environment. Global variables are being transferred from parent process to child ...

Now that you know what are environment variables, let’s see how to view the environment variables stored in the Linux system. Viewing environment variables present in your Linux system is easy, and ...

As a Linux user, you might frequently come across the term Environment Variables. If you’re curious what they are and how they work, then you’re in the right place. Environment Variables are an ...

This project explores variables in Linux, their types, usage, and practical applications in scripting and system administration. It demonstrates how variables enhance automation, efficiency, and ...

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 ...

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 ...

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 ...

Abstract: In these days, Linux system is widely used because of its freedom to use and develop. With this trend, to find vulnerabilities in Linux kernel has become ...