Complex sentence: AppArmor comes installed default in Ubuntu 7.10 Gutsy Gibbon, and came as a part of the release of Ubuntu 8.04, although it only protects CUPS by default, the user can install new profiles and enforce them.
Split into simpler sentences: AppArmor comes installed by default in Ubuntu 7.10 Gutsy Gibbon, and came as a part of the release of Ubuntu 8.04. Although it only protects CUPS by default, the user can install new profiles and enforce them.