[TUHS] AIX moved into maintainance mode

[Ralph Corderoy]

Hi Phil,

> On the "Unix(TM) is dead" premise:
> Isn't Apple (Mac) OS still certified?
>
> https://www.opengroup.org/openbrand/register/
> shows OS 13

The fine article ends with

   ‘Which means that the last officially trademarked commercial UNIX™ is
    Apple's macOS 13, which underneath the proprietary GUI layer is mostly
    an open source OS called Darwin anyway.  The kernel, XNU, is based on
    Mach with an in-kernel "Unix server" derived from FreeBSD...’
	— https://www.theregister.com/2023/01/17/unix_is_dead/

-- 
Cheers, Ralph.