Like TFA I only use ctrl-u and ctrl-d since it's faster than moving one line at time and not as disorienting (in my experience) as moving one full page at a tim

Like TFA I only use ctrl-u and ctrl-d since it's faster than moving one line at time and not as disorienting (in my experience) as moving one full page at a time. It's also easy to learn since it's [u]p/[d]own.