Let me ask you a question. Have you ever used the man command? If you haven’t, try now. Open your terminal window and run this: man man What do you see? Are feeling overwhelmed yet? Okay, long story in short — the man command is an interface for reference manuals of various commands. If you want to know what does a specific command do, it is your friend. It will show you every tiny detail of that command. But while that huge amount of information is useful in learning a command in-depth, it