linux help

I need to install phpmotion so i try installing phpshield.

I am not having the root access.My host is dream host they havent provided that


Also Can u please tell me what is

su
sudo
yum
make install

[catwoman]$ cd usr/lib
[catwoman]$ cd ..
[catwoman]$ cd local/dh
[catwoman]$ cd apache/template/phpext
[catwoman]$ ls
ZendExtensionManager.so     php4-xcache  zend_optimizer4
ZendExtensionManager_TS.so  php5-xcache  zend_optimizer5
[catwoman]$ cp /home/XXX/XXXtcs.com/phpshield/phpshield.5.2.lin .
cp: cannot create regular file `./phpshield.5.2.lin': Permission denied

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