Learning essential Linux commands

Building a solid competency on the command line is essential and effectively gives any system administrator or engineer superpowers. Our new abilities won’t allow us to leap tall buildings in a single bound but will definitely enable us to execute terminal commands as if we’re command-line ninjas. While we won’t completely master the art of using the command line in this section (that can only come with years and experience), we will definitely become more confident.

First, let’s talk about moving from one place to another within the Linux filesystem. Specifically, by “Linux filesystem,” I’m referring to the default structure of the various folders (also referred to as “directories”) contained within your Ubuntu installation. The Linux filesystem contains many important directories, each with its own designated purpose, which we’ll talk about in more detail later in this chapter...