With Mac OS X Lion and a new piece of free software, it’s easier than ever to create a USB keychain that you can boot from.

To do so you simply need to create a bootable USB drive or DVD that contains the Lion installation image that was downloaded from the Mac App Store. This method is covered in Section 6 above.

I'm still using Mac OS X 10.6.8 but will probably update to OS Lion soon. Can someone detail the best way to prepare a USB boot/recovery drive? I've read that you can download it from the Mac App ...

We've written at length about how to create a bootable installer for Lion (OS X 10.7). Lion DiskMaker simplifies the process.

Apple has released OS X Lion as a download from the Mac App Store only; however, you can use the download to create a separate OS installation disc or drive partition to use for troubleshooting ...

Mountain Lion is the second release of OS X to be delivered via the Mac App Store. Like with Lion, users can create their own bootable USB key ...

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 ...

On Monday Apple finally unveiled to the world the next iteration of OS X, Mavericks. A developer preview of the new operating system is available now as a Mac App Store download for registered ...