Can we really think at a new OS design nowadays ?

[Benno]

On Sat Aug 05, 2006 at 19:50:05 +0200, Guillaume FORTAINE wrote:
>Hello,
>
>Here is the start point of my reflexion :
>
>http://lists.gnu.org/archive/html/l4-hurd/2006-04/msg00053.html
>
>I believe that we can do extremely complex and reliable software with a 
>few people, thanks to the powerful formal and design tools available now.
>
>Moreover, I think that this OS has to support three key things to be 
>able to survive ( an essential key to have a long term development ) : 
>synergy ,transition & usability.
>

What does synergy mean, and why is it a key to an OS?

Benno