I'm running 1.2G (sup'ed last night) kernel and user on my laptop.
My filesystems are 4.4bsd.  I'd like to be able to do

	mount -t union -o -b /usr/src ~/cvs/src

but I get union: Operation not supported.  Referencing to the man
pages I think I'm doing everything right.  

Any ideas?
-- 
Matt Thomas               Internet:   matt@3am-software.com
3am Software Foundry      WWW URL:    http://www.3am-software.com/bio/matt.html
Nashua, NH                Disclaimer: I disavow all knowledge of this message