Online Resources

The book’s website^[3] has links to download some companion files for this book, including data files you may want for exercises, as well as scripts and configuration files you’ll write in this book. You’ll download those files from the CLI as you work through the book.

If you’re reading the electronic version of this book, you can click the box above the code excerpts to download that source code directly.

In addition, the companion site for the book^[4] has supplemental material, including videos and additional tutorials you’ll find useful.

With all that out of the way, it’s time to dive in. You’ll start by doing some very basic command-line stuff on your own machine so you can see how the command-line interface works and what it can do for you.