RHEL7 install

Does RHEL 7 harddrive install requires any files to kept similar to the requirement, "install.img and product.img must be the only files in the images/ directory."

similar to this

"https://access.redhat.com/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Installation_Guide/s1-steps-hd-installs-x86.html"