{
  "node_id": "gml-b1826b136ef44c87b503777ce185b355",
  "keywords": [],
  "keywords_must": [
    [
      "Linux",
      "删除",
      "用户组"
    ]
  ],
  "keywords_forbid": [],
  "children": [],
  "export": [
    "exercise_01.json",
    "exercise_02.json"
  ]
}