| Time-sharing System Evolution |
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| time-sharing system evolution | |
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The following tables provide links to major early Time-sharing operating systems, showing their subsequent evolution.
''About the term'' time-sharing: : In the 1960s, Time-sharing was a new concept, a departure from the Batch Processing approach previously used with computers. The idea of an individual user being able to initiate a computer job at a particular time, and to see results immediately, was regarded as strange – and probably wasteful. Computers were very expensive, and individual users had to conform to the computer's schedule, not vice versa. Time-sharing systems were thus a major change and, for a generation, represented a distinct category of operating system. Famous political battles were waged at IBM and elsewhere over this issue. Today, of course, virtually all operating systems are time-sharing systems. TIME-SHARING SYSTEM FAMILIES See details and additional systems in the table below. Relationships shown here are for the purpose of grouping entries and do not reflect all influences (e.g. OS/2 was more influenced by VAX/VMS than by MS-DOS , but its legacy is as an x86 platform). SYSTEM DESCRIPTIONS AND RELATIONSHIPS REFERENCES See also History Of CP/CMS for many period details and sources. |
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