The functional structure of OS/360, Part I: Introductory survey

The environment that may confront an operating system has lately undergone great change. For example, in its several compatible models, SYSTEM/360 spans an entire spectrum of applications and offers an unprecedented range of optional devices.
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It need come as no surprise, therefore, that OS/360—the Operating System for SYSTEM/360—evinces more novelty in its scope than in its functional objectives.