Beat is available for free from the Apple App store. With all the basic features you need and outstanding auto-formating, you cannot go wrong with this app. No built-in collaboration tools.

It’s the second group. There are millions of so-called end-user programmers. They’re not going into a career as a professional programmer or computer scientist.

Which is why one of the most important steps in learning how to write shell scripts is to learn how to ensure that your scripts are secure—even if it's just your own home computer and an old PC you've ...