CCux Linux is a GNU/Linux Distribution espacially optimized for i686 and higher processor Architectures. For Package Management it uses the old fashioned rpm format in connection with the also well known apt tools. Using that, it features automatic dependency resolving when installing new software and so making the installation of new software much more easier.
But the main feature is still the Optimization for modern CPU Architectures. Many other distros still use old standards for that and limit the possibility to gain a high performance System.