I’m a programmer but I still to Google how to edit the PATH in Windows. This is not a matter of teaching, it’s a matter of laziness. Open Google and figure it out. This is not math. You don’t need to understand why. You follow the tutorial and go on with your life. You’ll understand why PATH matters when you’ll need to. And before you reply with: then why not abstracting this stuff? That’s because most technical people don’t mind, and they know that defaults don’t always apply. Just like accounting software doesn’t explain every single acronym. It targets a different audience.