Here are some basic skills to get started with bash, one of the best shells for preparing and using scripts on Linux. Scripting in Linux–putting commands into a file so you can run them as a group—is ...

I've recently written about using bash arrays and bash regular expressions, so here's a more useful example of using them to test IP addresses for validity. To belabor the obvious: IP addresses are 32 ...

Many bash scripts use arguments to control the commands that they will run and the information that will be provided to the people running them. This post examines a number of ways that you can verify ...

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 ...

How to create a bash script for starting VirtualBox VMs Your email has been sent Jack Wallen shows you a nifty trick for easily starting, stopping, pausing, and resuming your VirtualBox virtual ...

How to use a Bash script for-loop for system administration in Linux Your email has been sent Bash scripting remains a staple of my endeavors in Linux as a system administrator, and I use it every day ...