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What is an access control list? [4 marks] (b) What is a capability in the context of access control? [4 marks] (c) How is file

What is an access control list? [4 marks]

(b) What is a capability in the context of access control? [4 marks]

(c) How is file access control in Unix implemented, and what simplifications are made over one of the general mechanisms you have described above? [6 marks]

(d) What is the principle of minimum privilege and which approach, access control lists or capabilities, lends itself better to supporting a minimum privilege regime? [6 marks]

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