NATIONAL FreeBSD DAYNational FreeBSD Day on June 19th commemorates the launch date of an innovative technology that many of us use every day.The open-source operating system called FreeBSD developed out of the University of California at Berkley in 1993. Billions of people around the globe use FreeBSD to teach operating system concepts in universities. Companies also develop products on FreeBSD, and universities use it as a research platform. Let's gain something more on this and how it works and what it is .and this day is crated by FreeBSD foundation .