On 2019-06-13, "Theo de Raadt" <dera...@openbsd.org> wrote:
>> I always considered that su is coming from _s_uper _u_ser. But maybe I >> am wrong, I am not from old UNIX days. > > incorrect. > > NAME > su - substitute user identity Well, that's V7, which appears to have engaged in a bit of revisionism together with the then newly expanded functionality. Earlier in V6 it was "su - become privileged user" and "Su allows one to become the super-user, who has all sorts of marvelous (and correspondingly dangerous) powers". http://man.cat-v.org/unix-6th/8/su -- Christian "naddy" Weisgerber na...@mips.inka.de