All about Information Technology Infrastructure Library Information technology, which is shortened as IT, is the application of the modern device called as computers, to store, transmit, study, manipulate and retrieve any data or information, which is often in the concept of a business enterprise or any other enterprises, and it is also considered as the subset of ICT, which stands for information and communications technology. IT does not only focuses on computers, but it also encompasses other technologies that can distribute information, like television, telephones, and cellular phones, and there are several industries that are associated with IT and that includes computer software and hardware, semiconductors, internet, e-commerce, telecom equipment, and electronics. The various activities that are being performed by an organization to design, control, deliver, plan and operate the various services of IT that they tend to offer to their clients and customers, and are being directed with supporting procedures, organized and structures processes, and policies, is what defines and encompasses ITSM or information technology service management. A set of practices of information technology service management or ITSM, is basically the definition for ITIL or information technology infrastructure library, and ITIL is focusing more on the alignment of the various IT services which are needed by the different enterprises, like a business enterprise. There are definitely five series of core volumes designed for ITIL, and each of these contains and covers a different lifecycle stage of ITSM, and each describes the different processes, checklists, procedures and tasks which can be applied by a specific organization to do functions, like delivering the value of the organization, maintaining a certain minimal level of competency to the organization, and establishing integration with the organization’s strategy. Each of the five volumes of ITIL have their own specific titles, namely the ITIL service transition, ITIL service operation, ITIL continual service improvement, ITIL service strategy, and ITIL service design. ITIL is commonly used by the organization to measure the improvement within the organization and to demonstrate compliance, due to the reason that it allows the organization to establish and produce a certain baseline from which it can do activities like implementing, planning and measuring the elements that can be very beneficial to the organization. The certification scheme for ITIL is offering a modular approach to each participant or candidate, and each qualification is assigned with a credit value and successful completion of each module, the candidate or participant is rewarded with a number of credits and certification. The individuals who wants to learn more about ITIL and plans to do online training, can find out more about this from the WOM or word of mouth of the people who are familiar with ITIL, or through the use of the internet.