Macosxelcapitan10111imageiso Work May 2026

/Applications/Install OS X El Capitan.app/Contents/SharedSupport/InstallESD.dmg Copy this file to your Desktop.

sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/Untitled --applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app --nointeraction Then, create an ISO from the USB: macosxelcapitan10111imageiso work

sudo dd if=/dev/rdiskN of=~/Desktop/ElCapitan10.11.1.iso bs=1m (Replace rdiskN with your USB’s raw disk identifier – use diskutil list to find it.) /Applications/Install OS X El Capitan

On a Mac with the El Capitan installer app: macosxelcapitan10111imageiso work

hdiutil convert /Volumes/OS\ X\ Install\ ESD/BaseSystem.dmg -format UDTO -o ~/Desktop/ElCapitan10.11.1.cdr Rename the .cdr file to .iso :