A brief history of ITIL and how it has developed over the last twenty years or so can be found by clicking here.
ITIL has evolved through three iterations or versions and the current version is referred to as ITIL v3, this is simply because ITIL v2 co-existed with version 3, whilst the various courses, examinations, institutes and training organizations were established to support the certification of individuals interested in ITIL.
To obtain a comprehensive understanding of the ITIL v3 Qualification Scheme, which is to some degree complicated, we suggest that you click here to obtain a free download. Information regarding the Examination Institutes (EI) within the document is slightly out of date and an updated list can be found here.
To obtain a high level understanding of what ITIL v3 consist of, a free download is available here.
As you increase your knowledge and awareness of ITIL we recommend that you spend some time regularly visiting www.ITILnews.com. As you explore you will find articles that share experiences, knowledge and lessons learned that may assist you as an individual and also your organization.