Foundations of z/OS Mainframe and Enterprise Computing

Large-scale enterprises rely on mainframe systems to process billions of secure transactions daily. Understanding how these powerful systems operate is a highly valued skill in the modern corporate infrastructure landscape. This text-based course guides you through the foundational architecture of z/OS mainframes. You will transition from knowing nothing about enterprise computing to understanding how mainframe hardware, operating systems, and security protocols work together to keep global industries running. What you'll learn: Understand the fundamental architecture and hardware design of mainframe systems; Navigate the core features and storage management capabilities of the z/OS operating system; Explore enterprise security concepts, including access control and pervasive encryption; Learn how modern mainframes integrate with hybrid cloud environments and APIs; Discover modern mainframe development tools and open-source frameworks like Zowe; Practice navigating system datasets and job control language concepts through written scenarios. You will begin by learning key enterprise computing terminology and foundational definitions before moving on to operating system concepts, security configurations, and modern integration workflows. This course is designed entirely for beginners with no prior mainframe experience, making it ideal for aspiring system administrators, developers, and IT professionals. Start reading today to build a strong foundation in enterprise mainframe technology.