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Archive for the ‘IBM Mainframe Utilities’ Category

 Wikipedia describes the IBM 3270 as:
The IBM 3270 is a class of terminals made by IBM (known as “Display Devices”) normally used to talk to IBM mainframes. The 3270 attempts to minimise the number of I/O interrupts required, by accepting large blocks of data known as datastreams.
In a datastream, both text and control (or formatting [...]

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