操作系统概念第七版课后习题答案(英文版)下载

操作系统概念第七版课后习题答案(英文版) 1.1 In a multiprogramming and time-sharing environment, several users share the system simultaneously. This situation can result in various security problems. a. What are two such problems? b. Can we ensure the same degree of security in a time-shared machine as in a dedicated machine? Explain your answer.