Peter Jones (pjones(a)redhat.com) said:
Because we haven't decided to merge those together. That's
really the only
reason - there's no over-arching technical reason they need to be separate.
It's entirely a historical consideration.
Somewhere in the recesses of my memory I remember a UNIX where /bin, /lib,
and so on were just symlinks to /usr/bin, /usr/lib, and so on.
Bill