hdiutil create -o /tmp/ElCapitan -size 7300m -volname ElCapitan -layout SPUD -fs JHFS+
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Leave a comment (on the original blog) with your exact hardware and whether you need a bootable USB or a VM image. Tags: macOS El Capitan, 10.11.6, ISO download, 720p resolution, VMware, VirtualBox, legacy macOS, bootable USB mac os x el capitan 10.11 6 iso download 720p
hdiutil attach /tmp/ElCapitan.dmg -noverify -mountpoint /Volumes/ElCapitan mac os x el capitan 10.11 6 iso download 720p
sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/ElCapitan --nointeraction