This manual is a comprehensive presentation of the eharaeteristies, functions, and features of the IBM System/ 360. The material is presented in a direct manner, assuming that the reader has a basic knowledge of IBM data processing systems and has read the IBM System/360 Systems Summary, Form A22-6810. The manual is useful for individual study, as an instruction aid, and as a machine reference manual.
The manual defines System/360 operating principles, central processing unit, instructions, system control panel, branching, status switching, interruption system, and input/output operations.
Descriptions of specific input/output devices used with System/360 appear in separate publications. Also, details unique to each model of the System/360 appear in separate publications.




























