So you use cron whenever you want to launch an executable on a scheduled basis.
Edit: Arguing that running executables via CLI is what makes things *nix is just missing the point. In case your unfamiliar with the 'everything is a file concept:
Unix way isn't running via CLI, but knowing what to type to run what you want, because it's faster than GUI, while GUI provides you contextual information to help you discover what you can do.
>In case your unfamiliar with the 'everything is a file concept
But then Linus gives a rant how he hates polymorphism and overloading.