ActiveDirectory Domain Controller for Windows 2016 vs. Ubuntu 20 (Ubuntu 20.04 LTS)

Active Directory (AD) is a directory service developed by Microsoft for Windows domain networks. It authenticates and authorizes all users and computers in a Windows domain type network, assigning and enforcing security policies for all computers and installing or updating software. Active Directory Domain Controller also includes: A set of rules, a schema that defines the classes of objects and attributes contained in the directory, the constraints and limits on instances of these objects, and the format of their names.

Ubuntu 20.04 LTS, codenamed "Focal Fossa," is a long-term support release of the Ubuntu operating system, launched on April 23, 2020. Designed for desktops, servers, and cloud environments, it offers enhanced performance, security, and stability. This release is backed by five years of standard support, extendable to ten years with Ubuntu Pro, ensuring a reliable platform for both personal and enterprise use.