> 
> All I want to do is say "for this user, let him use all the memory he 
> wants". I don't want to restrict anyone else. I'm afraid from the 
> description in the man file that, as soon as I create 
> /etc/login.conf, I am going to have to specify it for all users, with 
> a default and stuff.

If you're concerned just about a single user, put

	ulimit -m unlimited

in his or her '~/.profile'.  See the man page for ksh(1).

David S.