hdiutil create -o Downloads/macOS -size 7903m -layout SPUD -fs JHFS+
sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia --volume /Volumes/untitled如遇报错请重新格式化这个镜像分区
hdiutil create -o Downloads/macOS -size 7903m -layout SPUD -fs JHFS+
sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia --volume /Volumes/untitled如遇报错请重新格式化这个镜像分区
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