In a message dated 6/22/2007 11:13:43 A.M. Central Daylight Time, [EMAIL PROTECTED] writes: >... and thereby put the wait light out[1]. Having been brought up with DOS (the original DOS), and, generally, S/360 Model 30s, I was used to knowing how busy the machine was by observing the flickering of the wait light. I remember times when I watched the wait light's changing patterns of flickering on and off to know roughly how much longer a certain job would run. I don't remember now why I wrote my IEFBR15 program, but at that time I must not have been concerned about the wait light's significance during whatever experiment I was doing that needed a CPU time soaker. Bill Fairchild Plainfield, IL
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