The eval command allows you to run the contents of variables as commands and can be very useful -- especially in scripts.

Additional Resources Understanding Linux Environment Variables Advanced Bash Scripting Conclusion Understanding and skillfully manipulating the PATH variable can unlock a new level of productivity and ...

In our first tutorial on command line wizardry, we covered simple redirection and the basics of sed, awk, and grep. Today, we're going to introduce the concepts of simple variable substitution and ...

Bash scripting is a powerful tool for automating tasks on Linux and Unix-like systems. While it's well-known for managing file and process operations, arithmetic operations, such as division, play a ...

Linux operating system allows users to create commands and execute them over the command line. To create a command in Linux, the first step is to create a bash script for the command. The second step ...

The command line isn't just for wise Linux beards. It's actually an awesome tool with almost limitless functionality. Here's a primer on how it works, and how you can do almost anything with it.