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| # found here: https://forums.macrumors.com/threads/el-capitan-bootable-dvd.1923931/#post-22036604 | |
| hdiutil attach /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/SharedSupport/InstallESD.dmg -noverify -nobrowse -mountpoint /Volumes/install_app | |
| hdiutil convert /Volumes/install_app/BaseSystem.dmg -format UDSP -o /tmp/El\ Capitan | |
| hdiutil resize -size 9g /tmp/El\ Capitan.sparseimage | |
| hdiutil attach /tmp/El\ Capitan.sparseimage -noverify -nobrowse -mountpoint /Volumes/install_build | |
| rm /Volumes/install_build/System/Installation/Packages | |
| cp -rp /Volumes/install_app/Packages /Volumes/install_build/System/Installation/ | |
| cp -rp /Volumes/install_app/BaseSystem.chunklist /Volumes/install_build | |
| cp -rp /Volumes/install_app/BaseSystem.dmg /Volumes/install_build | |
| hdiutil detach /Volumes/install_app | |
| hdiutil detach /Volumes/install_build | |
| hdiutil resize -size `hdiutil resize -limits /tmp/El\ Capitan.sparseimage | tail -n 1 | awk '{ print $1 }'`b /tmp/El\ Capitan.sparseimage | |
| hdiutil convert /tmp/El\ Capitan.sparseimage -format UDTO -o /tmp/El\ Capitan | |
| rm /tmp/El\ Capitan.sparseimage | |
| mv /tmp/El\ Capitan.cdr ~/Desktop/El\ Capitan.iso | |
| sudo drutil burn ~/Desktop/El\ Capitan.iso |
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