~な (prohibitive imperative)
grammar96 sentences
The blunt prohibitive sentence-final ~な attached to a dictionary-form verb: 行くな ('don't go'), 言うな ('don't say'), 食べるな ('don't eat'), するな ('don't do it'). Gruff and direct — used to subordinates, close peers, in heated speech, and on signs/warnings. More forceful than ~ないで or ~ないでください.