(Red Hat Certifications)

Red Hat makes a living by causing the big guys to squirm: it helped pioneer the use of Linux, the open source computer operating system that has become a chief rival to Microsoft's Windows and Sun's UNIX. The term "open source" refers to a set of practices and principles that encourages access to the design and production of goods and knowledge. Most typically, the expression is applied to the source code of software.What began as a better way to build software-openness, transparency, collaboration--soon shifted the balance of power in an entire industry. Today Red Hat technology drives some of the world's largest enterprises--where infrastructure stability means business survival.Red Hat continued success is proof of the power of the open source model.