UbuntuLinux是一份完整的桌面Linux操作系統，它可免費獲得，并帶有社團及專業的支持。Ubuntu社團按照Ubuntu宣言里所銘記的思想而組建：軟件應免費提供，軟件工具應能以人們本地語種的形式可用且不犧牲任何功能，人們應擁有定制及改變他們軟件的自由，這包括以任何他們認為適宜的方式。Ubuntu是一個古非洲語單詞，意指對他人的博愛。Ubuntu Linux發行將這種博愛之心帶到了軟件的世界中。

Steve Langasek has announced the availability of the release candidate for Ubuntu 9.04 "Jaunty Jackalope": "TheUbuntu team is pleased to announce the Release Candidate for Ubuntu9.04 Desktop and Server editions and Ubuntu Netbook Remix. Ubuntu 9.04Desktop edition brings faster boot speeds and a new notification systemto your everyday computing experience. Ubuntu 9.04 Server edition makesit easy to experiment with cloud computing using Eucalyptus on your ownservers, and sports an improved mail server integration stack based onPostfix and Dovecot. Ubuntu 9.04 Netbook Remix brings a new,easy-to-use interface that is designed to be used on the smallerscreens of netbook devices." Read the release announcement and release notes for a detailed list of changes and new features. Download (MD5): ubuntu-9.04-rc-desktop-i386.iso (699MB, torrent), ubuntu-9.04-rc-desktop-amd64.iso (698MB, torrent). Also released today: Kubuntu 9.04 RC (release notes), Xubuntu 9.04 RC (release notes), Ubuntu Studio 9.04 RC and Mythbuntu 9.04 RC.

【編輯推薦】

1. Linux系統下配置Netware服務器方法
2. 嵌入式設備上的 Linux 系統開發
3. 深度介紹Linux內核是如何工作的(1)