Are you objecting to the _notion_ that is called a file in Plan 9, or to the fact that it is _called_ a file? I would regard the latter as just a synecdoche, u

Are you objecting to the _notion_ that is called a file in Plan 9, or to the fact that it is _called_ a file? I would regard the latter as just a synecdoche, using the name of the most well-known realization of that general concept to stand for all of the realizations of that concept.