6 ms·One of my nerd-quizzes I hade at interviews before was "what letters in what case are NOT flags to GNU ls".by mzi 5mo agoOne of my nerd-quizzes I hade at interviews before was "what letters in what case are NOT flags to GNU ls".eru 5mo agoThe answer is 'man ls'. And: 'almost all letters of unicode'.ecshafer 5mo agoeEjJMOPVWyY But I would probably just say without looking it up "man ls", and I basically just use -lta, sometiemes r.