"LKG" meaning in English

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "LKG",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "alt_of": [
        {
          "word": "last known good"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with 1 entry",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "Pages with entries",
          "parents": [],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Computing",
          "orig": "en:Computing",
          "parents": [
            "Technology",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "Initialism of last known good."
      ],
      "id": "en-LKG-en-phrase-QqGuRVdw",
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "last known good",
          "last known good#English"
        ]
      ],
      "raw_glosses": [
        "(computing) Initialism of last known good."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "other": "/ɛl keɪ ˈd͡ʒiː/"
    }
  ],
  "word": "LKG"
}

{
  "head_templates": [
    {
      "args": {
        "1": "en",
        "2": "phrase"
      },
      "expansion": "LKG",
      "name": "head"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "phrase",
  "senses": [
    {
      "alt_of": [
        {
          "word": "last known good"
        }
      ],
      "categories": [
        "English 3-syllable words",
        "English entries with incorrect language header",
        "English initialisms",
        "English lemmas",
        "English phrases",
        "English terms with IPA pronunciation",
        "Pages with 1 entry",
        "Pages with entries",
        "en:Computing"
      ],
      "glosses": [
        "Initialism of last known good."
      ],
      "links": [
        [
          "computing",
          "computing#Noun"
        ],
        [
          "last known good",
          "last known good#English"
        ]
      ],
      "raw_glosses": [
        "(computing) Initialism of last known good."
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "initialism"
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "sounds": [
    {
      "other": "/ɛl keɪ ˈd͡ʒiː/"
    }
  ],
  "word": "LKG"
}