Question: Which is the latest version of ubuntu operating system?

context: The first point release, 16.04.1, was released on 21 July 2016. Release of Ubuntu 16.04.2 was delayed a number of times, but it was eventually released on 17 February 2017. Ubuntu 16.04.3 was released on 3 August 2017. Ubuntu 16.04.4 was delayed from 15 February 2018 and released on 1 March 2018, providing the latest Linux kernel, 4.13, from Ubuntu 17.10. Ubuntu 16.04.5 was released on 2 August 2018, and Ubuntu 16.04.6 was released on 28 February 2019.
question: Which is the latest version of ubuntu operating system as of 19 October 2017?
short_answers: Ubuntu 17.10
17.10
Artful Aardvark
context: On 17 October 2016, Mark Shuttleworth announced that the codename of Ubuntu 17.04, released on 13 April 2017, would be "Zesty Zapus".
question: Which is the latest version of ubuntu operating system as of 13 April 2017?
short_answers: Zesty Zapus
Ubuntu 17.04
17.04
context: Mark Shuttleworth announced on 21 April 2016 that Ubuntu 16.10 would be called "Yakkety Yak". It was released on 13 October 2016.
question: Which is the latest version of ubuntu operating system as of 13 October 2016?
short_answers: Ubuntu 16.10
Yakkety Yak
16.10
context: No context provided
question: What is the Unbutu OS version released on 2017-10-19?
short_answers: Artful Aardvark
17.10
context: No context provided
question: What is the Unbutu OS version released on 2017-04-13?
short_answers: Zesty Zapus
17.04
context: No context provided
question: What is the Unbutu OS version released on 2016-10-13?
short_answers: Yakkety Yak
16.10

Answer: Ubuntu is a Linux distribution based on Debian and composed mostly of free and open-source software. On October 13, 2016, a version called Yakkety Yak, Ubuntu 16.10, was released. Ubuntu 17.04, released on 13 April 2017, would be Zesty Zapus. On October 19, 2017, Ubuntu 17.10, known as Artful Aardvark, was released.