The looping options provided by bash include for loops, while loops and until loops. They can help you get a lot done without too much effort. The bash shell provides numerous ways to loop through ...

You can easily set up a Linux command that keeps trying until it succeeds. Let's look at how to loop your way to success. If you want to run a command on a Linux system until it succeeds, there are ...

Few aspects of Unix system administration are more intimate than the relationship between the admin and their chosen shell. After all, the shell is the most fundamental interface to the system, the ...

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 ...