Then, press the power button, and press and hold the “option” key, until you reach the “ Startup Manager“.Ģ. Keep the Live USB plugged in to your Mac, and shut it down. If you don’t know how to open Startup Manager on Mac, just follow the steps given below:ġ. Now that the Live USB has been created, let’s see how we can boot into it, using the Mac Startup Manager. If you want any changes you made to persist between reboots, you can do that by setting a value under “ space used to preserve files across reboots (Ubuntu only)“. So, if you install apps, and create documents in Ubuntu while it is in Live mode, they will not be available the next time you fire up the OS with its Live USB. Note : By default, when you shut down a Live Session, any changes you make are deleted. UNetbootin will now work through a couple of steps, and create a bootable Live USB that you can use to boot into Linux, on your Mac.