"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."