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A comment on IBM z14 Microprocessor and System Control Design. Parent comment

Re:IBM z14 Microprocessor and System Control Design by protomyth on Tuesday November 20, 2018 @02:21PM (#18496818)
I actually had to use those switches (well buttons) on an iSeries recently. I’ve never been that nervous with any Unix command.
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Re:IBM z14 Microprocessor and System Control Design by jacquesm on Tuesday November 20, 2018 @02:25PM (#18496841)
One bit error and it's back to square one. The good part is that if you do it often enough you start to memorize some of it!
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