The make.dvdiso.sh script creates a iso image out of multiple Scientific Linux Fermi cd iso images. This resulting image can be written to a dvd. To use make.dvd.sh you first need to download the make.dvd.sh script and all of the iso images from either the i386 or the x86_64 directory to your system to say a directory called /var/tmp/i386-iso/ . This script requires that the mkisofs and the anaconda-runtime rpm be installed. Then run the script sh make.dvdiso.sh /var/tmp/i386-iso /var/tmp/ltsxx-dvd.iso Syntax is make.dvdiso.sh " where ISO directory: directory holding CD images DVD image: name of DVD image output file