Map a ?le read-only,then map the same ?le read-write so you have two active mappings. Modify a portion of the read-write mapping and compare the same offset in the read-only mapping. Explain the results.
What will be an ideal response?
Regardless of the permissions on a mapping, if the mapping is shared, even read-only mappings will see changes made by read-write mappings to the same pages in a ?le. The read-only aspect of a ?le mapping means only that we can’t change a ?le through its read-only mapping.
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Fill in the blank(s) with the appropriate word(s).
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Fill in the blank(s) with the appropriate word(s).
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What will be an ideal response?