Introduction In April 1964, IBM announced the System/360 mainframe computer, and during the 1960s and 1970s, the term mainframe computer was almost synonymous with IBM products due to the company’s market share. These first mainframes were enormous water-cooled systems with only megabytes of real storage housed in raised floor environments, to support cabling and cooling requirements, and requiring a huge physical footprint. Today’s mainframes in IBM’s line have evolved from the basic design of the IBM System/360, into very small, exponentially faster systems, supporting terabytes of real storage and a variety of operating systems and applications. While the mainframe has been evolving over the last half century, it has continued to be the platform used for some of the most mi

Join for free to read