[CentOS] mount ntfs file system

i learned that ntfs file system not supported by centos.
and i try to tell my system version with uname -r and find my version is
2.6.9-22.EL so i download the 
kernel-module-ntfs-2.6.9-22.ELsmp-2.1.20-0.rr.9.10.i686.rpm
but after rpm -ivh .....................
i do't know how to do?
a article told me go to /usr/src/2..........
but i can't even find the dir .
thanks for any help.