"Offensive Security, leaders in Online information security training, proudly announced last evening the final release of their extremely popular security oriented operating system, BackTrack 4. After quite a long development period, the team tried to make BackTrack 4 one of the perfect Linux distributions for security-related tasks. It is now powered by a new Linux kernel, includes an expanded and larger toolset repository and custom utilities that can only be found in BackTrack 4.
"The final version of BackTrack 4 also includes lots and lots of bug fixes and improvements over previous releases."