On Fri, Feb 20, 2015 at 12:42:43PM -0500, Gravis wrote:
> > > CDE (common desktop environment)
> > Not familiar with that. Is it related to Inferno?
>
> https://en.wikipedia.org/wiki/Common_Desktop_Environment
>
> now what is "Inferno"?

Long answer:

https://en.wikipedia.org/wiki/Inferno_(operating_system)

Short answer:

Just as Plan 9 was a successor to Unix, Inferno is a successor to Plan 9.

It's now been spun off as free software.

-- hendrik