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 ...

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 ...

It is easy to dismiss bash — the typical Linux shell program — as just a command prompt that allows scripting. Bash, however, is a full-blown programming language. I wouldn’t presume to tell you that ...

The first software that I was actually paid to develop was a 2-page shell script that prompted the user for a dozen or so pieces of information, before launching a set of cooperating processes. Those ...

Community driven content discussing all aspects of software development from DevOps to design patterns. It’s pretty easy to run a batch file on Windows. Just create a file, change the extension to ...

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 ...

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 ...

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 ...

Here's a secret you might not have known: you don't need advanced programming skills to write basic code, and learning how can make a massive difference in the way you use your computer. Anyone can do ...