Unicage software development method "Tukubai" is a comprehensive development framework for the enterprise systems (sales accounting system, payroll accounting system, corporate system, CRM system, merchandising system, enterprise system self-manufacture etc) including from development philosophy to development method, tools, coding, documentation and its business model. In 2012, rapidly growing company Universal Shell Programming Laboratory, the founder of "Tukubai" method, found that FreeBSD is better choice for them. I have been working for them as a FreeBSD consultant. In light of my own experience, I'll cover: o FreeBSD situation of the corporate activity o What's the Unicage software development method "Tukubai" o How many/Which companies uses Tukubai method o What's the FreeBSD specialized feature ush and BubunFS o How to scale the FreeBSD based Tukubai system o How to build the FreeBSD based Big data processing appliance In the middle of 2012, I developed a FreeBSD based Big data processing appliance, I'll cover that story, too.