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3,614 results
what is a mainframe? how does it work? what does it do? what is the user interface of a mainframe? This video shows the ...
131,927 views
7 years ago
History of IBM mainframe operating systems from 1965 to today Yes, TSS/370 is missing, but TSS did not continue, so I didn't want ...
36,210 views
2 years ago
