Variables, Conditionals, Loops, and Arrays

In previous chapters, we provided information that led up to the topics we’ll be covering here. We did this by walking you through the process of getting your system set up and common commands that are used for navigating the Linux filesystem using Bash commands.

In this chapter, we’ll dive into the essentials of programming that make your code smart and efficient: variables, conditionals, loops, and arrays. Think of variables as name tags referring to data, conditionals as crossroads that decide which path your program takes, and loops as the way you can keep doing something until a certain condition is met. These concepts are the building blocks for creating dynamic and responsive programs. Whether you’re just starting or brushing up on the basics, understanding these elements is critical for any coding journey.

In this chapter, we’re going to cover the following main topics:

• Introducing variables...