BackTrack 5

Get ready for a new version of Great Penetrating Operating System, Backtrack now are Ubuntu Based Operating System. This new release has a tons of tolls for Professional IT. you may check it on their release announcement.

Offensive Security has announced the release of BackTrack 5, an Ubuntu-based security distribution providing a collection of specialist tools for penetration testing and forensic analysis: "The BackTrack development team has worked furiously in the past months on BackTrack 5, code name 'revolution'. Today, Backtrack are proud to release our work to the public, and then rest for a couple of weeks. This new revision has been built from scratch, and boasts several major improvements over all our previous releases. Based on Ubuntu 10.04 LTS, Linux kernel 2.6.38, patched with all relevant wireless injection patches. Fully open source and GPL compliant." 

 

BackTrack is an Ubuntu-based distribution with a collection of security and forensics tools. It was created by merging Auditor Security Linux with WHAX (formerly Whoppix).

Here is the brief release announcement.
Download (MD5) the live DVD image with your preferred desktop and architecture via BitTorrent:
1. BT5-GNOME-32.iso (1,956MB),
2. BT5-KDE-32.iso (1,884MB),
3. BT5-GNOME-64.iso(1,919MB),
4. BT5-KDE-64.iso (1,850MB).

Source : Distrowatch.com, http://most-popular-linux-distribution.blogspot.com/2011/05/backtrack-5.html