The printf command offers well-defined behavior following the POSIX standard, which means it works the same way across shells and systems. Where echo often fails with escape sequences, printf handles ...

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 ...

Bring the power of the Linux command line into your application development process. As a novice software developer, the one thing I look for when choosing a programming language is this: is there a ...

Typing the same command again and again can become tiresome. Here are a number of ways you can make repeating commands – or repeating commands but with some changes – a lot easier than you might ...