In X-windows world screen inspired several minimalist windows managers that is usually bungled with linux mini-distributions.Sure it's a typo. But I am not fully convinced that it is.
 Specifically, I wanted to modify the status screen to include the host name I was on. This appears  to be More Bother than I wanted to get into, so we'll just leave 'hostname' in the prompt where it belongs.
 For a number of reasons to arcane to get into here.