In 4.2bsd, from where does "timeout" out of single user come?

[Kurt H. Haserodt]

I've looked through the kernel, init, and /bin/sh, and I still can't find
the code which causes the idle timeout into multi-user mode.  Obviously
I've missed something.  Could somebody clear this up?

Thanks.
-- 

Kurt Haserodt				..!ihnp4!wucs!kurt
Box 1045 Washington University		(314)-889-6160
St. Louis, MO 63130   USA