#macOS Catalina 10.14.x 10.15.x
sudo /Applications/Install\macOS\Catalina.app/Contents/Resources/createinstallmedia --volume /Volumes/YourUsbDisk
#macOS High Sierra 10.13.x
sudo /Applications/Install\macOS\High\Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/YourUsbDisk --applicationpath /Applications/Install\macOS\High\Sierra.app --nointeraction
#macOS Sierra 10.12.x
sudo /Applications/Install\macOS\Sierra.app/Contents/Resources/createinstallmedia --volume /Volumes/YourUsbDisk --applicationpath /Applications/Install\macOS\Sierra.app --nointeraction
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