This means that you can create an exact copy of your CD/DVD-ROM in your hard disk. With this image you can burn your files to another CD/DVD easily. It can be even easier when you use DVD Decrypter. If you'd like to rip a lot of DVDs, you may aslo want to check out DVD Copy Pro for this task.
DVD Decrypter is a freeware that can create ISO images from your CD/DVD or burn ISO images to your CD/DVD. You can download it at:http://www.dvddecrypter.org.uk/.
This article doesn't have the intent to teach you how to create illegal copies, it is just teaching you to create a backup of your own CDs/DVDs.
Insert the CD/DVD you want to create the ISO in the drive.
Run DVD Decrypter.
Go to menu Mode.
Select ISO and mark "Read."
Select the source: the source is the drive you have inserted your CD/DVD into.
Select the destination.
In the save dialog box, choose the name you want to save the file as. The extension must be .ISO.
Select "Decrypt" in the menu File or click on the image (a CD/DVD and an arrow pointing toward a hard drive) to start creating the ISO image.