[CentOS] is yum a complete substitute of rpm?

Sat Feb 13 16:00:14 UTC 2010
Jim Green <student.northwestern at gmail.com>

Dear Centos community,
I am new to centos/redhat and I would like to know on a centos system,
can I use yum alone to do all package management? I don't want to learn
two systems and confuse myself, I understand yum is much better than
rpm if is the case?

Thank you!

Jim