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https://arstechnica.com/gadgets/2013/10/how-to-make-your-own-bootable-os-x-10-9-mavericks-usb-install-drive/
How to make your own bootable OS X 10.9 Mavericks USB install drive - Ars Technica
Oct 23, 2013 - Apple has changed things in 10.9, but making a recovery drive is still possible.
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https://dreevoo.com/content.php?id=1776
Native Way of Creating a Bootable OS X Mavericks USB | Mac OS X | Apple software | Programs |...
We have already learned how to create a bootable OS X Mavericks USB drive using a third party app, this time I will show you how to create one directly in Mac...
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https://arstechnica.com/gadgets/2015/09/how-to-make-your-own-bootable-os-x-10-11-el-capitan-usb-install-drive/
How to make your own bootable OS X 10.11 El Capitan USB install drive - Ars Technica
Oct 1, 2015 - Setting up lots of Macs? Want an offline installer? Here's how to roll your own.
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