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  1. 1. BACK|TRACK<br /> “THE quieter you become the more you are able to hear!!!!”<br />What is backtrack:- Welcome to Backtrack-Linux, home of the highest rated and acclaimed Linux security distribution to date. Backtrack is a Linux-based penetration testing arsenal that aids security professionals in the ability to perform assessments in a purely native environment dedicated to hacking. Regardless if you’re making BackTrack you Install BackTrack boot it from a Live DVD or thumbdrive,the penetration distribution has been customized down to every package, kernel configuration, script and patch solely for the purpose of the penetration tester.<br />BackTrack 5 features<br />Support for KDE and Gnome:-<br />BackTrack 5 boasts of support for KDE Plasma (4.6), Gnome (2.6) and Fluxbox. This makes it much simpler to migrate from Gnome-based distributions. Unifying the desktop environment has the added advantage of an easier learning curve for new users. Streamlined images for each desktop environment (DE) are available on the backtrack website. Tool integration with supported environments is seamless with DE-specific menu structures. However, while Gnome has a smaller memory footprint and is less resource hungry, the Gnome versions lack default package managers, which need to be added separately.  <br /><ul><li>32-bit and 64-bit support:-</li></ul>The addition of 64-bit support in BackTrack 5 makes it possible to tap additional power for processor-intensive tasks such as brute force password cracking. The 32-bit and 64-bit images support various boot modes, including a “Stealth” mode that boots without generating network traffic and a “Forensics” mode for forensic purposes.<br /><ul><li>ARM architecture support:-</li></ul> An ARM image of BackTrack 5 is available, having officially been tested on the Motorola Xoom tablet and the Motorola Atrix 4G smart phone by the developers. Custom chrootscripts are already available to run BackTrack 5 on Android systems with ARM processors.<br />Users have successfully deployed BackTrack 5 on Samsung Galaxy S and Sony Xperia smart phones. However, there are still some issues with these systems and not all features are available. There are known issues with wireless drivers on ARM-based systems including lack of support, for  WiFi packet injection.<br /><ul><li>Packaged tools:-</li></ul> BackTrack 5’s arsenal of tools have been upgraded to the latest versions. BackTrack 5 comes preloaded with tools for LAN and WLAN sniffing, vulnerability scanning, digital forensics and password cracking. The Metasploit exploit framework v3.7.0 has been packaged into BackTrack 5. The tools are organized into a comprehensive menu structure, streamlined to comply with the PTES and OSSTMM standards.<br />Conclusion:-<br />BackTrack 5 promises to surpass previous versions in terms of functionality and stability. However, users have raised concerns over the discontinued support for Ubuntu repositories. BackTrack 5 instead uses its own repositories, which have been benchmarked to work with its tools. The BackTrack 5 team justified this move by highlighting performance concerns when the custom features of BackTrack’s tools are used with other repositories, including corruption of the installation. There is no official support for any repository other than that which is provided by the developers.<br /> Shashikant vaishnav<br /> Engineering college Bikaner<br /> 3rd year (B1)<br />