HP-UX and IBM AIX system versions and additional PACs areexpected in the next 30 to 60 days.

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Family Bank has recently implemented an Oracle FLEXCUBE core banking system running on IBM hardware and the IBM AIX operating system.

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Later this year, IBM will deliver the zEnterprise BladeCenter Extension with support for IBM POWER7 blades running AIX, IBM's UNIX operating system.

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"No one runs large, million-hits-per-day Web sites on Linux, " Occleshaw said, adding that IBM would still recommend its AIX Unix-based server to customers that wanted to run large, serious enterprise applications.

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