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

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