Linux in the land of z/OS (ZDNet) [LWN.net]

ZDNet predicts a slow, but steady increase in the use of Linux on mainframes. "While Linux will have only minimal effect on short-term mainframe MIPS (2-4 years), its longer-term platform effects must quickly become part of data center planning. For IBM's top customers (the 20 percent of customers that consume 80 percent of mainframe MIPS), Linux will garner less than 5 percent of all MIPS during this transition period. For the "lesser" 80 percent of mainframe customers (consuming just 20 percent of mainframe MIPS and generally well below 1,000 MIPS), Linux on z/OS will play a slightly larger "transitional" role, pointing to low double-digit adoption rates."

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