(d) In an operating system, two different protection mechanisms can be used for access control from subjects to objects,
Posted: Sun May 15, 2022 12:45 pm
(d) In an operating system, two different protection mechanisms can be used for access control from subjects to objects, namely Capability List and Access Control List. For the following protection problems, explain which of these mechanisms should be used and why. • User A wants his files readable by everyone except User B; • User C and User D want to share some secret files. (8 marks)