4.X Binaries on 5.X or 6.X?

[Björn König]

Don O'Neil schrieb:

> I haven't tried running them yet, I'm just asking since I'm planning on
> building a new server and would prefer to use 5.x or 6.x rather than 4.11
> which my old server is running. 

Oh, I'm sorry. I misunderstood your question. :-)

There are binary-only programs like Opera for example which was compiled 
on FreeBSD 4.6 and runs without problems on 7-CURRENT.

Björn