Source tree hierarchy

[Giorgos Keramidas]

On 2004-11-30 15:32, Jonathon McKitrick <jcm at FreeBSD-uk.eu.org> wrote:
>
> Why are there sometimes 2 levels of the same directory name, one beneath the
> other?
>
> Like sys and i386, for example?

They are different things:

/usr/src/sys		Kernel sources (entire source tree).

/usr/src/sys/sys	Kernel header files.  These are installed as
			/usr/include/sys/* by the installation process.