"shadow memory" meaning in English

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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "The use of one part of computer memory to store information about other parts of memory, used for example to keep track of which parts have been allocated by the program."
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        "(programming) The use of one part of computer memory to store information about other parts of memory, used for example to keep track of which parts have been allocated by the program."
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  "lang_code": "en",
  "pos": "noun",
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      "glosses": [
        "The use of one part of computer memory to store information about other parts of memory, used for example to keep track of which parts have been allocated by the program."
      ],
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          "computer",
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          "memory",
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        [
          "store",
          "store"
        ],
        [
          "allocate",
          "allocate"
        ],
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        "(programming) The use of one part of computer memory to store information about other parts of memory, used for example to keep track of which parts have been allocated by the program."
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