Part 2 of the "Linux from Zero" series. If you haven't read #1 yet, it's on Medium and DEV.to — start there to understand the approach: investigate through evidence, not by memorizing commands.
The problem nobody explains properly
Have you ever run ps aux and watched a huge list of lines scroll by, without really knowing what to do with it? Most tutorials teach you the command, but not how to think about what it returns. This post is about exactly that: turning a list of numbers into reasoning about what your machine is actually doing.
The experiment
Open two terminals side by side. In the first one, run:
