on the Internet to find a comparative image of the metaphor for example, you go to lectures, with a paper notebook to take notes. Notebook has 100 sheets of paper, the course has Chinese, math, English three, for the use of this notebook, in order to facilitate the review later, you can have two options.
The first is that you start with the first sheet of paper, and in advance in the book to make a division: the 2nd to the 30th piece of paper in Chinese notes, 31st to 60th paper Math notes, 61st to 100th paper in English notes, and finally in the first paper to make a list, record three notes of their respective ranges. This is the segmented management, the first piece of paper called the paragraph table.
The second is, you take notes from the second piece of paper, the notes of the various classes are linked together: the 2nd piece of paper is math, the 3rd is Chinese, 4th English ... Finally, you made a catalogue in the first piece of paper, recording the Chinese notes in the 3rd, 7, 14, 15 sheets ..., math notes in 2nd, 6, 8, 9, 11 ..., English notes in 4th, 5, 12 ... This is the paging management, the first piece of paper called the page table. You want to review which course, go to the page to search for the relevant paper number, and then turn to that page to review section Management mechanism to achieve the virtual address (the logical address composed of segments and offsets) to linear address conversion, paging management mechanism to achieve linear address to physical address conversion. If the paging management mechanism is not enabled, then the linear address is the physical address.
"OS" pagination and fragmentation
