建立 macOS High Sierra 開機 USB
sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia –volume /Volumes/UNTITLED –applicationpath /Applications/Install\ macOS\ High\ Sierra.app
sudo /Applications/Install\ macOS\ High\ Sierra.app/Contents/Resources/createinstallmedia –volume /Volumes/UNTITLED –applicationpath /Applications/Install\ macOS\ High\ Sierra.app