OpenVZ Operating System List.

Ubuntu is a free and open-source Linux distribution based on Debian. Ubuntu is officially released in three editions Desktop, Server, and Core. All the editions can run on the computer alone.

Ubuntu is released every six months and Ubuntu's Long Term Support (LTS) editions are released every 2 years and are provided security updates for 5 years.

Debian is a Unix-like operating system consisting of free software. "Ian Murdock" founded the Debian Project on August 16, 1993. Debian 0.01 was released on September 15, 1993

Debian Stable branch is the most popular edition for personal computers and network servers, and it is used as the basis for many other Linux distributions.

CentOS is a Linux distribution that provides a free, enterprise-class, community-supported computing platform functionally compatible with its upstream source, Red Hat Enterprise Linux.

The first CentOS release in May 2004. Since the release of version 7.0, CentOS officially supports only the x86-64 architecture.

AlmaLinux OS is an open-source, community-driven Linux operating system that fills the gap left by the discontinuation of the CentOS Linux stable release. AlmaLinux OS is a 1:1 binary compatible fork of RHEL® guided and built by the community.

As a standalone, completely free OS, AlmaLinux OS enjoys $1M in annual sponsorship from CloudLinux Inc and support from other sponsors. Ongoing development efforts are governed by the members of the community.

The AlmaLinux OS Foundation is a 501(c)(6) non-profit created for the benefit of the AlmaLinux OS community.

Rocky Linux is a community enterprise operating system designed to be 100% bug-for-bug compatible with America's top enterprise Linux distribution now that its downstream partner has shifted direction. It is under intensive development by the community. Rocky Linux is led by Gregory Kurtzer, founder of the CentOS project.