http://www.cnblogs.com/Bob-wei/p/4471407.html 1.获得“Install OS X Yosemite.app” 2.准备一个8GB的U盘,用磁盘工具“抹掉”,格式默认的“Mac OS 扩展(日志式)”,名称输入: Untitled 3.假设“Install OS X Yosemite.app”在桌面上,打开终端,输入 sudo ./Desktop/Install\ OS\ X\ Yosemite.app/Contents/Resources/creat…