Knowing how to work with and display exit codes on the Linux command line or in scripts can help make errors more obvious. Exit codes on the Linux command line are numeric values that provide feedback ...

Much to the chagrin of those who would like to malign the Linux operating system, it's actually quite easy to use. Thanks to modern GUI desktop environments and applications, anyone can jump into the ...

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 ...