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Ubuntu is an open source software platform that runs everywhere from the smartphone, the tablet and the PC to the server and the cloud.
Download Blackbuntu here, and join the Forum Discussions. BlkBuntu is a Ubuntu based distro for Penetration Testing with the Pro's GNOME Desktop Environment style. It's currently being built using the Ubuntu 10.10.
vBulletin 4.0 Publishing Suite with CMS
A help and support forum for Ubuntu Linux.
Ubuntu Handbook -- News, Tutorials, Howtos for Ubuntu Linux