Access Matrix of Figure 1 With Domains as objects (图1的存取矩阵,包含域和对象) object laser printer domain read switch prin switch I switch read execute read read switch write write Fiqure 2 Applied Operating System Concepts 18 Silberschatz, Galvin, and Gagne @199918.10 Silberschatz, Galvin, and Gagne ©1999 Applied Operating System Concepts Access Matrix of Figure 1 With Domains as Objects （图1的存取矩阵，包含域和对象） Figure 2