Multiple choice technology web technology What key combination is used to boot an Intel Mac in single-user mode? Command-S Option-S Shift-Option-S Control-Option-S Reveal answer Fill a bubble to check yourself A Correct answer Explanation Command-S (Cmd-S) is the universal keyboard shortcut to boot Intel-based Macs into single-user mode. This initiates a minimal command-line environment for system maintenance and troubleshooting.