Early file system layouts (/ and /usr split)

[Warren Toomey]

In article by Warren Toomey:
> In article by Warren Toomey:
> > The answer is: UNIX had / and /usr split by at least the time of the
> > July 1974 CACM paper ``The UNIX Time-sharing system''.
> 
> I just found some more evidence.

And more, from the 1st Edition init(7) man page dated 3rd November, 1971.

	Directory usr is assigned via sys mount as resident on the RK disk.

and sys mount means the mount(2) system call.

Cheers,
	Warren