Changes

OpenVZ is a small open-source part of '''[https://www.virtuozzo.com/products/vz7.html Virtuozzo 7infrastructure]''' infrastructure which provides more features, services, and support. Most notable features of Virtuozzo are reliable and fast [https://www.virtuozzo.com/products/virtuozzo-storage.html software-defined storage (SDS)], automated [https://docs.virtuozzo.com/virtuozzo_7_users_guide/managing-virtual-machines-and-containers/managing-virtual-machine-and-container-backups.html backups], live patching for kernel (by [https://docs.virtuozzo.com/virtuozzo_infrastructure_platform_admins_cmd_guide/advanced-tasks/updating-with-readykernel.html ReadyKernel]), timely [https://docs.virtuozzo.com/virtuozzo_7_users_guide/keeping-your-system-up-to-date/updating-virtuozzo.html timely updates] and [https://www.virtuozzo.com/support/all-products.html 24x7 support].