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39 votes

Swap space( on the disk) is used by Operating System to store the pages that are swapped out of the memory due to less memory available on the disk. Interestingly the Android Operating System, which is Linux kernel under the hood has the swapping disabled and has its own way of handling "low memory" situations.

Pages are basically Process data, hence the answer is (B).

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10 votes

Swap space is a portion of a hard disk drive (HDD) that is used for virtual memory. Virtual memory is the use of space on a HDD to simulate additional main memory. Memory is used to hold portions of the operating system, programs, and data that are currently in use.

Show answer is B because of process save program, data in virtual memory.

6 votes
6 votes

Swap space in Linux is used when the amount of physical memory (RAM) is full. If the system needs more memory resources and the RAM is full, inactive pages in memory are moved to the swap space. While swap space can help machines with a small amount of RAM, it should not be considered a replacement for more RAM. Swap space is located on hard drives, which have a slower access time than physical memory.

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