afefers

What are the most useful/essential things in your shell configuration file. Be it custom function, wrappers, aliases, etc. Please provide an explanation since it isn't always obvious to others.

I'm looking for examples of outstanding documentation such as The Rust Programming Language book: https://doc.rust-lang.org/book/ or The Python Tutorial: https://docs.python.org/3/tutorial/index.html It doesn't need to…