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External flash drives for mac

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* If your Mac is using macOS Sierra or earlier, include the -applicationpath argument and installer path, similar to the way this was done in the command for El Capitan. Sudo /Applications/Install\ OS\ X\ El\ Capitan.app/Contents/Resources/createinstallmedia -volume /Volumes/ MyVolume -applicationpath /Applications/Install\ OS\ X\ El\ Capitan.app Sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia -volume /Volumes/ MyVolume Sudo /Applications/Install\ macOS\ Mojave.app/Contents/Resources/createinstallmedia -volume /Volumes/ MyVolume Sudo /Applications/Install\ macOS\ Catalina.app/Contents/Resources/createinstallmedia -volume /Volumes/ MyVolume Sudo /Applications/Install\ macOS\ Big\ Sur.app/Contents/Resources/createinstallmedia -volume /Volumes/ MyVolume

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Sudo /Applications/Install\ macOS\ Monterey.app/Contents/Resources/createinstallmedia -volume /Volumes/ MyVolume

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If it has a different name, replace MyVolume in these commands with the name of your volume. These assume that the installer is in your Applications folder and MyVolume is the name of the USB flash drive or other volume you're using.