Chronology
- 1969 - IBM 5410, or System/3 Model 10, introduced
- 1970 - IBM 5406, or System/3 Model 6, introduced
- 1973 - IBM 5415, or System/3 Model 15, introduced
- 1974 - IBM 5408, or System/3 Model 8, introduced
- 1975 - IBM 5412, or System/3 Model 12, introduced
- 1976 - IBM 5404, or System/3 Model 4, introduced
The System/3 Operator Console Facility (OCF) consisted of either an IBM selectric typewriter interfaces into the computer, or a special purpose IBM 3270 display. Within the OCF, there was capability to 'cancel' processes and/or tasks that were running, including either partition (P1 or P2). The system could only run two programs simultaneously, except for the model 15 or systems running the Communication Control program, CCP.
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