윈도우/맥 듀얼부팅 블루투스 공유하기
https://sung-sung.tistory.com/22 sudo defaults read /private/var/root/Library/Preferences/com.apple.Bluetoothd.plist
https://sung-sung.tistory.com/22 sudo defaults read /private/var/root/Library/Preferences/com.apple.Bluetoothd.plist