This is a special function that allows you to directly create a disc Image file, without having a disc first. The way this works is that the program lets you specify the disc contents in the same way as if you wanted to burn a disc. However, instead of actually burning the disc at the end, the program will directly create the image file. The result is the same as if you had burned the disc and then created an image file from it. To create an image file you perform the following steps: