Mine

root     20123  0.0  0.0   2504   152 pts/2    R+   02:44   0:00 grep yuim
[root@vps413 ~]# ps aux |grep yum
root     19312  0.0  0.2  10740  1036 ?        S    Apr21   0:00 sh -c rpm -q yum --queryformat "%{NAME}\n%{GROUP}\n%{ARCH}\n%{VERSION}-%{RELEASE}\n%{VENDOR}\n%{INSTALLTIME}\n" 2>/dev/null 2>/dev/null
root     19313  0.0  0.7  71536  2904 ?        S    Apr21   0:00 /usr/lib/rpm/rpmq -q --queryformat %{NAME}\n%{GROUP}\n%{ARCH}\n%{VERSION}-%{RELEASE}\n%{VENDOR}\n%{INSTALLTIME}\n yum
root     19826  0.0  3.9 198528 14984 ?        S    02:06   0:01 /usr/bin/python /usr/bin/yum remove vncserver
root     20127  0.0  0.1  60216   692 pts/2    R+   02:44   0:00 grep yum