One of the convenient features in early versions of Windows (yes, Windows) was the ability to easily create an MS-DOS boot disk out of any floppy disk, which could then be used to troubleshoot ...

A bootable Mac OS X thumb drive comes in handy when you need to troubleshoot OS issues for yourself, your family, or your friends.

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 ...

How to boot to another hard disk in OS X We take a look at a couple of different ways to load another boot disk on your Mac.

The OS X 10.10 Yosemite installer from the Mac App Store in your Applications folder. The installer will delete itself when you install the operating system, but it can be re-downloaded if necessary.

Given below are the steps, showing how to make a Mountain Lion bootable USB/SD Card/DVD drive using the Lion DiskMaker. Must note that Lion DiskMaker will erase the volume or the drive you chose.

To do that you’re going to need to create a bootable OS X Yosemite installer disk, which also doubles up as a handy rescue tool should you ever need to re-install the operating system on your Mac.

Jesus Vigo goes over the steps to create a bootable USB to install OS X 10.7-10.8 and OS X 10.5-10.6, as well as how to put multiple versions on the same USB.

Then launch Disk Utility. If you're using a USB flash drive or other external disk, you'll need to make sure it's formatted as "Mac OS Extended (Journaled)." Under the partition options, also make ...