Linux Professional Institute is a non profit organization. Linux Professional Institute (LPI) is the global certification standard and career support organization for open source professionals. With more than 200,000 certification holders, it's the world’s first and largest vendor-neutral Linux and open source certification body. LPI has certified professionals in over 180 countries, delivers exams in multiple languages, and has hundreds of training partners. Our mission is to promote the use of open source by supporting the people who work with it.