"assume goodwill"

It may be OK so long as you only listen on localhost.

I'd stick with C, because I'm too lazy to learn C++, Rust, or Go.

...and often find answers on StackOverflow we wrote years, months, or weeks ago.

think of it as an aerobic workout...

vi, as it will fit on tiny embedded systems. although I wish I had learned emacs first; by the time I tried, it was too foreign to me.

but by reading documentation you miss out on all the nonsensical advice delivered with authoritative certainty!

three thoughts:

1. if he had entered it literally, it would have done nothing because of the #
2. if the `#` was to indicate root access, then yes he's in legit freakout mode.
3. if he was in usermode login, and didn't use `sudo`, he could only have removed what he had write access to. backups?