CAINE (Computer Aided INvestigative Environment) is a GNU/Linux Live CD distribution. 
The CAINE  forensic framework contains a collection of tools wrapped up into a user  friendly environment. Furthermore introduces novel important features;  it aims to fill the interoperability gap across different forensic  tools, it provides a homogeneous GUI that guides digital investigators  during the acquisition and analysis of electronic evidence, and it  offers a semi-automatic process for the documentation and report  compilation.
The CAINE distribution offers all the main  commodities of a typical Ubuntu desktop: easy-to-use environment, highly  customizable architecture, reliable interfaces and a enhanced  packed-oriented software distribution system.
The GNOME desktop offers a well known and efficient graphical environment to the digital investigator.
It is  built from the standard version of Ubuntu Linux 10.04.
It can be booted into a PC under investigation as a live CD.
  It can be installed into a forensic laboratory PC as a permanent  operating system.
It has a beautiful desktop.