Logical Organization(p291) OS should deal with programs in the form of modules(模块) Modules can be written and compiled independently. Different degrees of protection can be given to different modules It is easy to implement share. E. g segmentation(分段管理) MEMORY MANAGEMENTMEMORY MANAGEMENT Logical Organization（p291） • OS should deal with programs in the form of modules(模块) • Modules can be written and compiled independently. • Different degrees of protection can be given to different modules. • It is easy to implement share. • E.g. segmentation(分段管理)