What is the difference between Hass.io and Home Assistant?

The only difference between Home Assistant and Home Assistant Supervised is that you won't be able to update the operating system from the Home Assistant UI when using Home Assistant Supervised. Home Assistant Supervised was previously also known as Hass.io on generic Linux. Jan 7, 2022

Why are home assistants supervised?

By not using the Home Assistant Operating System, the user is responsible for making sure that all required components are installed and maintained. Required components and their versions will change over time. Home Assistant Supervised is provided as-is as a foundation for community supported do-it-yourself solutions.

What Linux does Home Assistant use?

Debian Debian is the only officially supported Linux distro for use with Home Assistant Supervised. Jul 5, 2020