ITIL is an Information Technology (IT) management framework that provides practices for Information Technology Services Management, IT Development and IT Operations. ITIL is the most widely accepted approach to IT service management in the world. ITIL provides a cohesive set of best practice, drawn from the public and private sectors internationally. ITIL principles are for senior executives, managers and decision makers whose businesses make use of IT. The ITIL V3 Publication Suite is available online to Penn State faculty, staff, and students. It contains all 5 ITIL core reference books. These books include: Service Strategy, Service Design, Service Transition, Service Operation, and Service Improvement. These are the books from which the ITIL examination syllabus is set. ITIL principles are for senior executives, managers and decision makers whose businesses make use of IT.