What is the purpose of system calls?(Answered) What are the five major activities of an operating system in regard to process management?(Answered) What are the three major activities of an operating system in regard to memory management?(Answered) What are the three major activities of an operating system in regard to secondary-storage management?(Answered) What is the purpose of system programs?(Answered) What is the main advantage of the layered approach to system design? What are the disadvantages of using the layered approach?(Answered) What are the main differences between capability lists and access lists?(Answered)
