CloudLinux is a commercially supported Linux operating system interchangeable with CentOS. It includes kernel level technology called LVE that allows you to control CPU and memory on per tenant basis. It is a basis for application level virtualization. CloudLinux delivers advanced resource management, better security and performance optimizations specifically targeted to the multi-tenant hosting environment. This improved performance helps hosting service providers and datacenters provide better support to their customers, reduce churn and save money.