If you’ve begun to tinker with your desktop Linux terminal, you may be ready to take a deeper dive. You’re no longer put off by references to “terminal,” “command line” or “shell,” and you have a grasp of how files are organized. You can distinguish between a command, an option and an argument. You’ve begun navigating your system. Now what? File manipulation — that is, allowing users to traverse the directory structure and interact with its contents — lies at the heart of Linux. There is a sizable arsenal of tools at your disposal.