With a bootable Ubuntu USB stick, you can:
- Install or upgrade Ubuntu, even on a Mac
- Test out the Ubuntu desktop experience without touching your PC configuration
- Boot into Ubuntu on a borrowed machine or from an internet cafe
- Use tools installed by default on the USB stick to repair or fix a broken configuration
Osx Create Bootable Usb From Iso

Why Make a Bootable USB Installer. A bootable installer for OS X El Capitan is a good idea even if your plan is to perform an upgrade install. Having your own copy of El Capitan on a separate device ensures that you'll always be able to install or reinstall it. It also helps in performing basic troubleshooting tasks, even if you have no. Jesus Vigo goes over the steps to create a bootable USB to install OS X 10.9 (aka Mavericks). In April, I wrote an article on TechRepublic about how to create a bootable USB to install OS X.

Creating a bootable USB stick is very simple, especially if you’re going to use the USB stick with a generic Windows or Linux PC. We’re going to cover the process in the next few steps.
Apple hardware considerations
Create Bootable Osx Usb In Windows
There are a few additional considerations when booting the USB stick on Apple hardware. This is because Apple’s ‘Startup Manager’, summoned by holding the Option/alt (⌥) key when booting, won’t detect the USB stick without a specific partition table and layout. We’ll cover this in a later step.
