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 ...

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 ...

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 ...

The bash script described here can change Linux systems' IP addresses from dynamic to static with much less manual work. Changing the IP address of a Linux system from dynamic to static is not ...