Linux has over 1,000 commands on a basic service. When you migrate to the desktop, that number grows. For example, in /usr/bin on Pop!_OS there are 1,615 commands, and in /usr/sbin, there are 609.
Whether you're curious or need to get something done, if you're on Linux, sooner or later, you're going to have to deal with the terminal. It's not so scary. Here's how to get started on the Linux ...