They don't want to have to google what $PATH does, they want the browser to come with an IDE (and massively ramping up its complexity because why?) instead of actually downloading an IDE.
The author has weirdly treated the problem of not knowing something as that it is wrong that they need to know it.
Yes, that’s TFA in a nutshell.
The title is deceptively “normal” though, so lots of people are making good faith attempts at answering the question. Except cloud9, code-server or whatever aren’t what TFA asks for, since you still need to understand what’s going on in the server to use them effectively, you’re only offloading storage and computations to a remote machine.
There's nothing wrong with being new to coding, not knowing things, and making mistakes - it's how we learn - but when you start your article with list of things that you couldn't be bothered to do a web search for, proudly proclaiming your ignorance and unwillingness to learn and expecting me to do your thinking for you, I don't have much interest in being nice and/or trying to teach you stuff.