The Ubuntu developers are moving very quickly to bring you the absolute latest and greatest software the Open Source Community has to offer. The Edgy Eft Knot 3 is the third alpha release of Ubuntu 6.10.
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And learn more about it here
The new init system, upstart, has now been turned on by default. For most users, this will change will be a totally unnoticed, but upstart offers some very clear advantages, such as a cleaner design and the ability to make booting faster, all of which can be read on the Replacement Init wiki page.