Disable:
sudo launchctl unload -w /System/Library/LaunchDaemons/com.apple.metadata.mds.plist
Enable:
sudo launchctl load -w /System/Library/LaunchDaemons/com.apple.metadata.mds.plist
Disable:
sudo launchctl unload -w /System/Library/LaunchDaemons/com.apple.metadata.mds.plist
Enable:
sudo launchctl load -w /System/Library/LaunchDaemons/com.apple.metadata.mds.plist