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.

Why wait for August and pay Apple a premium? If you have an 8GB USB key and you can download the Apple OS X Lion installer from the Mac App Store, you can make your own bootable USB key. It's ...

Your new Mac doesn't include an installation media. With the help of a GUI, Jack Wallen shows you how to create a handy flash drive for macOS.

How to Boot a MacBook Air From a USB External Drive. While it's lightweight and has all the bells and whistles of the other models, the MacBook Air does have limitations.

Beginning with 10.9, the best/only way to create a bootable USB is via createinstallmedia, or one of the third party GUI apps that likely just uses that command behind the scenes.

Having an independent bootable USB drive or SD Card also makes sense in case you want to install Mountain Lion on multiple computers without having to download it time and again.

Has anyone tried dragging the “Install OS X Mavericks” App from the bootable USB Flash Drive w/ Recovery Partition, as outlined by TyWebb, back to the Mac’s Applications folder?

Now that Apple has released OS X 10.9 Mavericks, you might want to consider creating a USB install drive for clean installs and future use.

Follow these steps to take to create a bootable USB installer drive for macOS Sierra to deploy version 10.12 of Apple's OS on supported devices.