In the intricate tapestry of modern technology, mainframes have been enduring threads, woven into the fabric of our digital evolution since their inception. Often perceived as relics of a bygone era, these powerful machines have silently and persistently adapted, continuing to play a pivotal role in the computing world. The story of mainframes is not just about technological persistence but also about remarkable adaptation and resilience in the face of rapidly changing technological landscapes.

This book, "Mainframes in the Modern Era: Adapting to New Technologies," seeks to demystify the evolution and contemporary relevance of mainframe technology. It's a journey through time, exploring how these computing behemoths have adapted to revolutionary changes like cloud computing, artificial intelligence, and blockchain. It's not merely a story of survival but one of innovation and transformation.

As we dive into the chapters, we will unravel the complex layers of how mainframes have remained integral to the infrastructure of numerous global industries. We will explore their symbiotic relationship with emerging technologies and envision their potential in shaping the future. This book is written for those intrigued by the longevity and adaptability of mainframe technology — from IT professionals and students to business leaders and tech enthusiasts.

We invite you on this journey to explore the past, understand the present, and envision the future of mainframes in our digital world. Let us rediscover these technological marvels, not as remnants of the past but as vital engines driving the future of computing.