The 10 of may the backtrack team has released the version number 5 (codename “revolution”) of their penetration tool.
Yes backtrack it’s a live Linux Distribution made with this goal, be the best penetration and learning tool around.
It’s Based on Ubuntu Lucid LTS (10.04). Kernel 2.6.38, patched with all relevant wireless injection patches. Fully open source and GPL compliant. In this release you can choose to have Gnome or KDE and install it on 32 or 64 bit computer. The former release supported only 32 bit installation.