How to create a bootable USB drive for macOS X El Capitan
Contents
Following How to create a bootable USB drive for macOS X El Capitan:
$ sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/UBUNTU\ 20_0 --applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app
Password:
Ready to start.
To continue we need to erase the disk at /Volumes/UBUNTU 20_0.
If you wish to continue type (Y) then press return: y
Erasing Disk: 0%... 10%... 20%... 30%...100%...
Copying installer files to disk...
Copy complete.
Making disk bootable...
Copying boot files...
Copy complete.
Done.
To boot off this USB, first make sure the Mac is off and then press and hold the [option] key when you hear the chime/turn it on.