맥북 오른쪽 커맨드키를 F18키로 변경
Open terminal app and copy & paste
mkdir -p /Users/Shared/bin
echo '''#!/bin/sh\nhidutil property --set '\'{\"UserKeyMapping\":\[\{\"HIDKeyboardModifierMappingSrc\":0x7000000e7,\"HIDKeyboardModifierMappingDst\":0x70000006d\}\]\}\''''' > /Users/Shared/bin/userkeymapping
chmod 755 /Users/Shared/bin/userkeymapping
sudo cat<<: >/Users/Shared/bin/userkeymapping.plist
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>Label</key>
<string>userkeymapping</string>
<key>ProgramArguments</key>
<array>
<string>/Users/Shared/bin/userkeymapping</string>
</array>
<key>RunAtLoad</key>
<true/>
</dict>
</plist>
:
sudo mv /Users/Shared/bin/userkeymapping.plist /Library/LaunchAgents/userkeymapping.plist
sudo chown root /Library/LaunchAgents/userkeymapping.plist
sudo launchctl load /Library/LaunchAgents/userkeymapping.plist
sudo launchctl remove userkeymapping
sudo rm /Library/LaunchAgents/userkeymapping.plist
sudo rm /Users/Shared/bin/userkeymapping