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 ...

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 ...

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 ...

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 ...