Question: 1. Respond to the allegation An operating system requires no protection for its executable code (in memory) because that code s a duplicate of code

1. Respond to the allegation "An operating system requires no protection for its executable code (in memory) because that code s a duplicate of code maintained on disk."
2. A directory is also an object to which access should be controlled. Why is it not appropriate to allow users to modify their own directories?
3. Why should the directory of one user not be generally accessible to other users (not even for read-only access)?
4. File access control relates largely to the secrecy dimension of security. What is the relationship between an access control matrix and the integrity of the objects to which access is being controlled?

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1 This allegation is false It implies that the code saved in the memory does not require any protection because it is a temporary copy of the same code on the disk However the executable code can be a... View full answer

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