#Kernel

1. Determining the running kernel mode on 10.6

   Posted Mar 6, 2010

   It might be useful in some cases to know if the MacOS kernel is running in the 32-bit or 64-bit (K64) mode. This is useful for example if you write an application like ‘System Profiler’ that displays the details of the currently running system:
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2. Intel 64-bit summary

   Posted Jan 8, 2010

   Since people are confused regarding Intel 64-bit, here is a brief summary of what can run on which Intel processor.
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