Ubuntu 13.04 Beta 2 发布
Ubuntu Linux是一份完整的桌面Linux操作系统，它可免费获得，并带有社团及专业的支持。Ubuntu社团按照Ubuntu宣言里所铭记的思想而组建：软件应免费提供，软件工具应能以人们本地语种的形式可用且不牺牲任何功能，人们应拥有定制及改变他们软件的自由，这包括以任何他们认为适宜的方式。Ubuntu是一个古非洲语单词，意指对他人的博爱。Ubuntu Linux发行将这种博爱之心带到了软件的世界中。
Steve Langasek has announced the availability of the second beta release of Ubuntu 13.04, code name "Raring Ringtail": " The Ubuntu team is pleased to announce the final beta release of Ubuntu 13.04 Desktop, Server, Cloud, and Core products. Together with Ubuntu 13.04, Kubuntu, Edubuntu, Lubuntu, Xubuntu and Ubuntu Studio also reached final beta status today. We also welcome two new flavors, Ubuntu GNOME and UbuntuKylin, which are participating in the Ubuntu release process for the first time this cycle. Some of the new features available in Ubuntu 13.04 final beta are: includes the 3.8.0-16.26 Ubuntu Linux kernel which is based on the version 3.8.5 upstream Linux kernel; Unity has been updated to version 6.12." Read the release announcement and the technical overview for more details. Download: ubuntu-13.04-beta2-desktop-amd64.iso (787MB, SHA256, torrent). Also made available today were 13.04 beta 2 images for Kubuntu ( download), Lubuntu ( download), Xubuntu ( download), Edubuntu ( download), Ubuntu Studio ( download) and UbuntuKylin ( download).