What is kernel data image ?

Sunil,
'Kernel Data Image' refers to the data, used by the kernel, that was in memory at the time that the 'capture' event took place. I presume you have had a UNIX systems crash, and now have this 'kernel data image' stuck either on a swap device or copied to a tape. You can use the utility 'crash' to analyse this dump, to determine exactly which process was running, and the cause of the crash. Mind you, it does require a lot of knowledge about the internal working of the UNIX OS. For a general book on the UNIX kernel, that can be applied to most UNIX's read 'The Magic Garden Explained'.

If you have any specific questions, feel free to email me, and I will answer any questions you may have.

That 'aint nothin' more than a picture of a corn on the cob.

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