The (Mostly) Cool History of the IBM Mainframe

IBM's iconic mainframe turns 40.
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In its history the IBM mainframe has been hailed and vilified. It has been born, reborn (many times) and pronounced dead. And yet the Big Iron remains a key computing resource for many large companies and will do so for many years. Here we take a look at the mainframe’s long history, from its use with the US space program to its prominence inside large business data centers. Take a look.

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