I think some more information would be nice.

Is the device supposed to send or receive?

Data or simple messaging?

What kind of traffic do you expect? Streaming video or a few status messages a day.

Goos stuff, I will start using it. My code needs to chill out anyway

Bogosort is great! Also easy to implement

Which is also 14 in binary.

Yea, that’s snapshotting, what do you do about back ups?

It’s not supposed to do that. My FP3 got unresponsive after a while as well. The trick was to open it up and gently tighten all screws.

Good old --no-preserve-root 😅

Great blog post, give it a read.

I love your enthusiasm and I love that you are asking questions! Also cool that you feel an urge to learn.

That being said, it is rather many questions you are asking at the same time :)

Watch this brilliant series, it should give you a grasp of what is going on, then take it from there.

Computer Science Crash Course: https://www.youtube.com/watch?v=O5nskjZ_GoI&list=PL8dPuuaLjXtNlUrzyH5r6jN9ulIgZBpdo

What you are looking for is some kind of on screen display overlay.

I found this, see if it can be of any use : https://github.com/vascofazza/Retropie-open-OSD

That is a rather weird statement