An ISO image is an exact copy of the data on an optical disc, such as a CD, DVD, or Blu-ray Disc. Using the right software, you can create ISO images from optical discs and use them in place of the ...

If you want to make copy of a DVD but you don't have a blank DVD in hand, you can create a DVD disc image and save it to your hard drive. The disc image can be then burned to DVD readable by a living ...

With a disk image, it's exactly as if you have saved them to a CD or DVD. Opening the disk image is like inserting a physical disk. Your Mac shows you all of the files on that and then when you've ...

Topher, an avid Mac user for the past 15 years, has been a contributing author to MacFixIt since the spring of 2008. One of his passions is troubleshooting Mac problems and making the best use of Macs ...

I’ve written quite a bit about installing Lion (OS X 10.7) and about the benefits of creating a bootable installer disc or drive. While the latter process isn’t prohibitively difficult, it’s still a ...

[Editor’s note: This article is part of our series of articles on installing and upgrading to Lion (OS X 10.7). We also have a complete guide to installing and upgrading to Mountain Lion (OS X 10.8).] ...

Bootable disc image files may contain all the data necessary to create a disc from which computers can boot, but if you want them to work, you can't just burn them to a disc the way you would regular ...

Happy Mountain Lion Day! Now that you have downloaded the 4.34GB installer, you may want to install Mountain Lion on more than one of your personal machines. Do you really need to wait 45 minutes or ...