Ubuntu is a popular, open-source Linux operating system that is based on the Debian architecture and known for its user-friendly interface. It is developed and maintained by Canonical Ltd., which provides regular updates and a highly secure environment for desktops, servers, and cloud computing. The name comes from a South African philosophy meaning “humanity towards others,” reflecting the project’s commitment to sharing free and accessible software with the world. In a Linux environment, there is a default user known as root, which possesses the highest level of authority in the system. Therefore, when you install Ubuntu desktop, for instance, your access is restricted since you are not utilizing root as the default user. In this article, we will show you how to add user to sudoers in Ubuntu 26.04.