Those Function Keys
There is a somewhat unspoken standard in the functionality exposed by function keys in Windows and Linux, only partially shared with macOS, particularly since the introduction of that abomination called the Touch Bar. Here is a very simple recap of those functions.
Programming is a very opinionated activity. Unfortunately, those opinions are seldom based on facts, and most of them are futile, and lead to stupid arguments on Reddit or Hacker News or the comments section of a blog.
Probably the single most important skill that has always helped me when dealing with computers is the ability to type without looking at the keyboard.