Also I'm fairly certain that an explanation of what $PATH is on unixlike OSes and how to manage that is one of the first things one will see when reading any nu

Also I'm fairly certain that an explanation of what $PATH is on unixlike OSes and how to manage that is one of the first things one will see when reading any number of dev basics/getting started tutorials. I understand wanting to jump right into writing "real" projects but things like this are why I think spending a little time finding well-written tutorials and doing them makes a big difference when picking up a new language/library/framework/etc.