createinstallmedia: command not found

My OS now is Sierra, I want to create a bootable installer for "EI Captian".


I use the command below, and it turns out "sudo: /Applications/Install OS X EICaptian.app/Contents/Resources/createinstallmedia: command not found".


sudo /Applications/Install\ OS\ X\ EI\Captian.app/Contents/Resources/createinstallmedia --volume /Volumes/Captian --applicationpath /Applications/Install\ OS\ X\ EI\Captian.app --nointeraction



The same happened when I intend to create a bootable installer for "Sierra". (Once I thought it may not be allowed to create a lower version OS installer on a higher OS ?! )


So, how can I solve it?! I want to create a bootable installer on my "Sierra".

MacBook Air (13-inch, Early 2015)

Posted on Nov 17, 2016 4:05 AM

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Posted on Nov 17, 2016 7:08 AM

You have El\Captian in your sudo command instead of El\ Capitan with a space after the \. Just fix those 2 misspellings/spacing and try again. Make sure El is E L not E I(eye).


Yours:

sudo /Applications/Install\ OS\ X\ EI\Captian.app/Contents/Resources/createinstallmedia --volume /Volumes/Captian --applicationpath /Applications/Install\ OS\ X\ EI\Captian.app --nointeraction

Should be:

sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia --volume /Volumes/Capitan --applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app --nointeraction

For Sierra it should be (make sure your external volume name is Sierra for the following to work):

sudo /Applications/Install\ macOS\ Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/Sierra --applicationpath /Applications/Install\ macOS\ Sierra.app --nointeraction

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createinstallmedia: command not found

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