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Storage Management

  • An operating system keeps track of the memory and identifies the portion of memory that is currently used and also identifies the user who is using it.
  • It also recognizes the memory cells that are free.
  • In a multiprogramming environment, the OS decides the process that should get memory and also the time and amount of memory required for the process is decided by the operating system.
  • Operating system finally reclaims the memory when the process no longer needs it or when the process has been terminated.
  • This process is maintained and performed with the help of the following mechanisms.
  • They are
    • Contiguous Storage Allocation
    • Non Contiguous Storage Allocation
    • Virtual Storage Using Paging
    • Virtual Storage Using Segmentation

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