4. Learning About Commands

In Chapter 2, “Navigating Your File System,” you started learning about some basic system commands. You covered a lot, but even so, much was left out. The ls command is an incredibly rich, powerful tool, with far more options than were provided in Chapter 2. So how can you learn more about that command or others that pique your interest? And how can you discover commands if you don’t even know their names? That’s where this chapter comes in. Here you will find out how to learn more about the commands you already know, those you know you don’t know, and even those that you don’t know that you don’t know!

Let’s start with the two 800-pound gorillas—man and info—and move from there to some smaller, more precise commands ...

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