Ask Ubuntu is a community driven question and answer website for the Ubuntu operating system. It is part of the Stack Exchange Network, running the same software as Stack Overflow. Members gain reputation based on the community's response (through voting) to their questions and answers. Reputation signifies trust for users in the answers they give. Privileges are given based on reputation levels, with users with the highest reputation having similar privileges to moderators. All the user-generated content is licensed under a Creative Commons Attribution-ShareAlike 3.0 license.. The site came out of public beta on 10 October 2010, launching alongside Ubuntu 10.10. As of March 2019[update], Ask Ubuntu has about 678,000 registered users and more than 317,000 questions.