In the context of HN, the more likely meaning of the term "super user program" is "a computer program for delegating/managing 'super user' privileges". So, the

In the context of HN, the more likely meaning of the term "super user program" is "a computer program for delegating/managing 'super user' privileges". So, the expectation, based on the title, was likely that of "how to write such a computer program" :)