Ubuntu, many knows that Linux means RedHat or Ubuntu. They never seen what the back-end works and kernel part apart. As you might know that Ubuntu is a light weight and easy to use Linux Operating System with new releases scheduled on a predictable six-month basis, resulting in a frequently updated system.
I am sharing list of releases of Ubuntu version with updates packs; right from the first release of Ubuntu to future release of Ubuntu Linux. Below are list of Ubuntu version with release date, updates and some basic introduction of the release.
Article Source:- https://launchpad.net/ubuntu/+series
s-series (13.10) Future
Successor to Ubuntu r-series (13.04)
Milestones:
The Ubuntu release that will be delivered in October 2013, designated 13.10.
r-series (13.04) Future
Successor to Ubuntu Quantal (12.10)
Milestones:
The Ubuntu release that will be delivered in April 2013, designated 13.04.
Quantal (12.10) Active Development
Successor to Ubuntu Precise (12.04)
Milestones: quantal-updates, ubuntu-12.10, ubuntu-12.10-beta-2, ubuntu-12.10-beta-1, quantal-alpha-3, quantal-alpha-2, quantal-alpha-1
See http://wiki.ubuntu.com/QuantalQuetzal
Precise (12.04) Current Stable Release
Successor to Ubuntu Oneiric (11.10)
Milestones: precise-updates, ubuntu-12.04.4, ubuntu-12.04.3, ubuntu-12.04.2, ubuntu-12.04.1, ubuntu-12.04, ubuntu-12.04-beta-2, ubuntu-12.04-beta-1, precise-alpha-2, precise-alpha-1
See http://wiki.ubuntu.com/PrecisePangolin
Oneiric (11.10) Supported
Successor to Ubuntu Natty (11.04)
Milestones: oneiric-updates, ubuntu-11.10, ubuntu-11.10-beta-2, ubuntu-11.10-beta-1, oneiric-alpha-3, oneiric-alpha-2, oneiric-alpha-1
See http://wiki.ubuntu.com/OneiricOcelot
Natty (11.04) Supported
Successor to Ubuntu Maverick (10.10)
Milestones: natty-updates, ubuntu-11.04, ubuntu-11.04-beta-2, ubuntu-11.04-beta-1, natty-alpha-3, natty-alpha-2, natty-alpha-1
See http://wiki.ubuntu.com/NattyNarwhal
Maverick (10.10) Obsolete
Successor to Ubuntu Lucid (10.04)
Milestones: maverick-alpha-4, maverick-updates, ubuntu-10.10, ubuntu-10.10-beta, maverick-alpha-3, maverick-alpha-2, maverick-alpha-1
See http://wiki.ubuntu.com/MaverickMeerkat
Lucid (10.04) Supported
Successor to Ubuntu Karmic (9.10)
Milestones: lucid-updates, ubuntu-10.04.4, ubuntu-10.04.3, ubuntu-10.04.2, ubuntu-10.04.1, ubuntu-10.04, ubuntu-10.04-beta-2, ubuntu-10.04-beta-1, lucid-alpha-3, lucid-alpha-2, lucid-alpha-1
See http://wiki.ubuntu.com/LucidLynx
Karmic (9.10) Obsolete
Successor to Ubuntu Jaunty (9.04)
Milestones: karmic-updates, ubuntu-9.10, ubuntu-9.10-beta, karmic-alpha-6, karmic-alpha-5, karmic-alpha-4, karmic-alpha-3, karmic-alpha-2, karmic-alpha-1
See http://wiki.ubuntu.com/KarmicKoala
Jaunty (9.04) Obsolete
Successor to Ubuntu Intrepid (8.10)
Milestones: jaunty-updates, ubuntu-9.04, ubuntu-9.04-beta, jaunty-alpha-6, jaunty-alpha-5, jaunty-alpha-4, jaunty-alpha-3, jaunty-alpha-2, jaunty-alpha-1
See http://wiki.ubuntu.com/JauntyJackalope
Intrepid (8.10) Obsolete
Successor to Ubuntu Hardy (8.04)
Milestones: intrepid-updates, ubuntu-8.10, ubuntu-8.10-beta, intrepid-alpha-6, intrepid-alpha-5, intrepid-alpha-4, intrepid-alpha-3, intrepid-alpha-2, intrepid-alpha-1
See http://wiki.ubuntu.com/IntrepidIbex
Hardy (8.04) Supported
Successor to Ubuntu Gutsy (7.10)
Milestones: hardy-updates, ubuntu-8.04.4, ubuntu-8.04.3, ubuntu-8.04.2, ubuntu-8.04.1, ubuntu-8.04, ubuntu-8.04-beta, hardy-alpha-6, hardy-alpha-5, hardy-alpha-4, hardy-alpha-3, hardy-alpha-2, hardy-alpha-1
Hardy is the second Long Term Support (“LTS”) release of Ubuntu, with a strong emphasis on supportability for long term deployments on both the desktop and the server.
Gutsy (7.10) Obsolete
Successor to Ubuntu Feisty (7.04)
Milestones: gutsy-updates, ubuntu-7.10, obsolete-milestone, ubuntu-7.10-rc, ubuntu-7.10-beta, tribe-6, tribe-5, tribe-4, tribe-3, tribe-2, tribe-1
Gutsy introduces a number of interesting desktop features, like Compiz Fusion for 3D desktop effects, and instant printer configuration.
Feisty (7.04) Obsolete
Successor to Ubuntu Edgy (6.10)
Milestones: ubuntu-7.04, 7.04-beta, herd-5, herd-4, herd-3, herd-2
Ubuntu 7.04 (Feisty) was released in April 2007. It focuses on improved hardware support across the board and lays the foundations for aggressive adoption of emerging desktop technologies. Ubuntu 7.04 returned to the standard six-month schedule following the shortened catch-up cycle used for Ubuntu 6.10.
Edgy (6.10) Obsolete
Successor to Ubuntu Dapper (6.06)
Milestones: later, edgy-updates, ubuntu-6.10, ubuntu-6.10-beta
Ubuntu 6.10 (Edgy) was released in October 2006. In the wake of the release of Ubuntu 6.06 LTS, Edgy includes more aggressive new features which were not feasible for an LTS release.
Dapper (6.06) Obsolete
Successor to Ubuntu Breezy (5.10)
Milestones: dapper-updates, ubuntu-6.06.2, ubuntu-6.06
Ubuntu 6.06 LTS (The Dapper Drake Release) is the first long-term-supported release of Ubuntu. Dapper features a GUI installer optimised for simplicity and speed and official support for a new server architecture: SPARC.
Breezy (5.10) Obsolete
Successor to Ubuntu Hoary (5.04)
Milestones: ubuntu-5.10
Breezy is the third installment of Ubuntu, released in October 2005.
Hoary (5.04) Obsolete
Successor to Ubuntu Warty (4.10)
Milestones: ubuntu-5.04, ubuntu-5.04-preview
Hoary is the second release of Ubuntu, pushed to mirrors in April 2005.
Warty (4.10) Obsolete
Milestones: ubuntu-4.10
Warty is the first release of Ubuntu. Warty was released in October 2004.
Article Source:- https://launchpad.net/ubuntu/+series