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 ...

Apple has released Mac OS X Lion in the Mac App Store for $30. Separately, Apple will also begin offering Lion on a USB thumb drive in Apple stores come August. Right now, you can grab Lion from the ...

There are several common ways people can verify file system integrity in OS X, including booting to Safe Mode, using Disk Utility, or running the 'fsck' tool. These options have had some people ...

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 ...

Sure you can boot your system disc to run Disk Utility but I've found in many cases, I needed a lot more. You can also boot from your utility program discs, but that's time consuming and it's possible ...

It seems that the SD card slot in the new MacBook Pros does count as a bootable device; all you have to do is install OS X onto a card, set it as the default boot device, and you’re good to go. Why ...

Apple only sells OS X Mountain Lion as a digital download in the Mac App Store. The installer weighs in at a hefty 4.05GB, but the good news is that you can install your copy of Mountain Lion on all ...

Mac OS X Lion will debut in July, and this handy set of instructions from Egg Freckles will let you create a boot disc for installation. OS X Lion will be distributed via the Mac App Store, and you ...

I'm taking a computer science class on operating systems and we're given a 1.4MB disk image for a floppy disk. The disk image is for a very small version of linux that he wrote. In class the professor ...

OS X’s Disk Utility—which enables you to format, partition, repair, and perform other kinds of maintenance on disks (including SSDs, flash drives, and disk images)—is good for what it does. Yet for ...