Bharat Operating System Solutions (BOSS) is a free and open source Linux distribution developed by the National Resource Centre for Free/Open Source Software (NRCFOSS) of India. BOSS GNU/Linux is also known by the acronym BOSS. The latest version is 5.0 .

This software package has been described as “India’s own PC operating system” and “the most meaningful product to come out of the Indian software industry in decades and a work that a government department had done”.

The software has also been endorsed by the Government of India for adoption and implementation on a national scale.It was developed at Centre for Development of Advanced Computing (CDAC), Chennai INDIA. BOSS GNU/Linux is a “LSB certified” Linux distribution: the software has been certified by the Linux Foundation for compliance with the Linux Standard Base standard.

source: http://en.wikipedia.org/wiki/Bharat_Operating_System_Solutions