Many of my students do not know simple keyboard and mouse shortcuts that, if adopted, will save them much time.
For example, when confronted by a large file of text, use CONTROL-F together to search for keywords or phrases.
I share these tips with my students. They have marveled at how they never knew just as you probably have shortcuts that I might marvel at as well. I love the phrase from The Big Lebowski uttered by mighty Walter Sobcheck: "I did not know that."
You might go a bit deeper with this:
https://deepblue.lib.umich.edu/handle/2027.42/117495