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ICS 143. 2. Basic functions of FS. present logical (abstract) view of files and directorieshide complexity of hardware devicesfacilitate efficient use of storage devicesoptimize access, e.g., to disksupport sharingprovide protection. ICS 143. 3. Hierarchical model of FS. Figure 10-1abstract user interfacepresent convenient viewdirectory managementmap logical name to unique Id, find descriptorbasic file systemopen/close filesphysical organization methodsmap file data to disk blocks. 30140

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