ISO images and Linux

Making an ISO Image of a directory:

mkisofs -o tmp.iso tmp/

tmp.iso is where you want the ISO image to wind up, and where tmp/ is the drectory you want to be the base of the ISO

Making an ISO Image of a CD/DVD:

dd if=/dev/cdrom of=/home/dave/MyCD.iso

Mounting an ISO image:

mount -o loop /home/dave/MyCD.iso /mnt/iso