"David G. Johnston" <david(dot)g(dot)johnston(at)gmail(dot)com> writes:
> Or just the bit more verbose “user running the initdb command” and don’t
> bother giving it a label, which is basically the approach used in the
> description for initdb anyway.
Or if you want a few more words, "name of the operating-system user
running initdb". I don't like "installation user", that's just about
as vague as could be.
regards, tom lane