I don't see much point of the prompt tag, and it only has ~100 questions tagged with it.
Shall we burninate it?
P.S. Let's also nuke lag
I would say no here.
They seem distinct enough to be different, so they seem okay to stay. However, prompt should be edited to reflect this difference and make it clear what this question is to be used for (namely, questions about the ready-state of any given command line).