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"You know the funny thing about technology is that it tends to go in cycles. What hurt the mainframe the most was the market’s move to decentralize and put performance closer to the user. However, the massive switch to the Web and the concept of cloud computing reversed this trend and now the focus is to increasingly provide highly customized experiences on the Web. This shifts from heavy desktop and distributed computing platforms to highly centralized and I/O-intensive offerings. Much of what is being done is less about processing power and more about rapid data access or, in other words, mainframe country."

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"And, while IBM has done very well by Linux on the mainframe and its other servers, Frye isn't ruling out the desktop. Frye said, "We're seeing tremendous interest in Linux on the desktop. A recent global survey showed that Linux desktops were easier to implement than IT staff expected if they targeted the right groups of users, such as those who have moderate and predictable use of e-mail and office tools. Netbooks with Linux provide a low-cost computing option to small businesses and emerging markets around the globe. This customer set--even those that typically cannot afford new, expensive personal computers--can now legitimately consider netbooks running Linux instead of PCs for business use.""

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"Over the years the number of customers, vendors and use cases for running Linux alongside z/OS have grown, said Tom Rosamilia, general manager for IBM's System Z division, during a presentation at the company's Poughkeepsie plant and the focal point of much of the development and manufacturing of mainframes.

Since opening the mainframe to run popular open source Linux applications 10 years ago, there are today 3,150 Linux applications enabled for System Z and 70 per cent of the top one hundred global mainframe customers run Linux. "

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"A recent survey sponsored by CA indicated that larger enterprises are expecting to invest more money into running Linux applications on mainframes. The results add to the story that the mainframe platform is viable, and dovetail with the message that CA is offering about mainframes, officials say."

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eWeek slide presentation

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