Outline Background and System Model 口1⊙生年12月00 陈香兰(C5,U5TO Operating System OS原理与设计 March21,20195/45. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Outline 1 Background and System Model 陈香兰 (CS, USTC) Operating System OS原理与设计 March 21, 2019 5 / 45