[CentOS] yum doesn't exit

From: ken <gebser at mousecar.com>

> Running "yum update", yum appears to perform fine and appears to finish
> but  continues to reside in memory:
> Complete!
> # ps -ef|grep yum
> root       1384  1336  0 06:21 pts/0    00:00:00 grep  yum
> root      2229     1  0 Jul06 ?         00:00:11 /usr/bin/python  -tt
> /usr/sbin/yum-updatesd
> ....

yum-updatesd is not yum.
man yum-updatesd

JD