The origins of virtualization began with a paper that Professor Christopher Strachey presented on time-shared computers at the UNESCO International Conference on Information Processing in June 1959. Time-sharing was a new idea, and Professor Strachey was the first to publish on the topic that would lead to virtualization. After the conference, new research was done, and several more research papers written on the topic of time-sharing began to appear. These research papers energized a small group of programmers at the Massachusetts Institute of Technology (MIT) to begin to develop a Compatible Time-Sharing System (CTSS). From these first time-sharing systems attempts, virtualization was pioneered in the early 1960s by IBM, General Electric, and other companies attempting to solve several problems.
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