This book provides a relevant, proper introduction to cloud computing. The word cloud computing, that was practically never employed a decade ago, has become part of standard vocabulary. Millions of people throughout the globe utilize cloud services, as well as the numbers are expanding quickly. This book is especially essential at this time since the word cloud computing encompasses several sorts of computing services, and numerous individuals engaging in talks about the clouds need to be clear of the expanse that it encompasses. The introductory content in this book covers the main ideas of cloud computing and therefore is accessible to practically anybody; such simple and useful reading for the numerous individuals who use some type of cloud computing today. There are many uses for cloud computing, and this book explains them. While most people are acquainted with cloud services like email as well as social networks, there is a lack of understanding of how they may be used in research and medical. Using the information in this book, readers will be able to determine whether or not cloud computing is right for their particular set of circumstances. This book explains the great variety of cloud services available today. To assist readers, understand how programmes function on various platforms, the examples are especially useful. Distributed computing systems have been the foundation of cloud computing for decades. Some of the key concepts like virtualization, cluster computing, grid computing and also different service models with their use are discussed in relation to cloud computing in this book. As the number of the students’ interest in this field grows, it is rare to find a book that covers both detailed theory, as well as real-world examples from a wide range of vendors.