I use Debian testing for… 20 years? I had serious problems with it. Twice. Nothing unrepairable, but still I needed another machine with internet to fix the problem. I suppose that is ok stability-wise for 20 years.

Because the wrong drivers, but they work at least…

It’s not only for operating systems, though.

What else? I can hardly imagine using Linux for something except OS.

Java is the biggest Android’s headache.

99% of machines use multiple users on their OS. Different users for different programs is a widespread Unix-like OS approach to security.

Explanation for dummies: Linux is a launcher of computer programs.

Linux is a kernel for OS. See, I told you what Linux is. I did it!