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What is in-core copy and disk-copy of i-node table?

 
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# 1  
Old 10-14-2009
What is in-core copy and disk-copy of i-node table?
I have found a question from the exercises of my study mat. The question is
"Why are there a in-core copy and a disk-copy of i-node block and super block?"
If any one know the proper answer then please send me.....
# 2  
Old 10-14-2009
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