Hi younggun,
Thanks for the info. I was able to finish this script today. Below is the final script and it worked for copying this file i need over and over.

#! /bin/csh
while 1
cp -p file_name /directory/to/copy/to/file_name'date '+%d%h%y_%T''
sleep 1800
end

Again Thanks for the help!
Falcondown01