... ways to allocate portions of memory to programs at their request, and freeing it for reuse when no longer needed. Virtual memory systems separate the memory addresses used by a process from actual physical addresses, allowing separation of processes and increasing the effectively available amount of RAM using disk swapping. The quality of the virtual memory manager can have a big impact on overall system performance. Garbage collection is the automated allocation, and deal location of computer memory resources for a program. This is generally implemented at the programming language level and is in opposition to manual memory management, the explicit allocation and deal location of computer memory resources. Resource management: The OS controls all of the resources on the computer, for example: * The amount of processor time that will be spent on certain tasks * The amount of memory allocated to programs that are currently running * Access to secondary storage devices, such as hard ...

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