I couldn't find an official definition in a minute or so of googling, but it's basically where the release is supported (in security updates and critical bug fixes) for 3 years on the desktop and 5 on the server. That's the basic idea, but I may be missing something somewhere.
For future questions, look to https://answers.launchpad.net/ and file a question about Ubuntu. Have a nice day! -- dapper installer insists on partition table change https://bugs.launchpad.net/bugs/50865 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs