ComputerData Structures and Algorithm Database System and Operating SystemMemory management, file systems and system administrationMemory management, file systems and system administration Memory address Swapping and Managing Free Memory Space Virtual Memory Management Demand Paging Performance and Page Replacement Algorithms introduction to File Directory and File Paths File System Implementation Impact of Allocation Policy on Fragmentation Mapping File Blocks on The Disk Platter File System Performance Administration Tasks User Account Management Start and Shutdown Procedures.Introduction to Operating System and process managementBasic Concept