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To return to the Recovery app, choose “Terminal > Quit Terminal.” In the Recovery app window, choose Utilities > Terminal. Terminal: Change settings via the command line.To return to the Recovery app, choose “Startup Security Utility > Quit Startup Security Utility.” In the Recovery app, choose Utilities > Startup Security Utility. Startup Security Utility: Set the security procedures for your Mac.To return to the Recovery app, choose “Disk Utility > Quit Disk Utility.” Use this one with care! In the Recovery app window, select Disk Utility, then click Continue. Disk Utility: Repair or erase your disk.Note that Safari browser plug-ins and extensions are disabled in macOS Recovery. To return to the Recovery app, choose “Safari > Quit Safari.” If you’re connected to the internet, you can use Safari to search for more information on the Apple Support website. Safari: In the Recovery app window, select Safari, then click Continue.
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