{
  "node_id": "gml-e4d153da66c945df9c07dc52e5a05598",
  "keywords": [],
  "keywords_must": [["Linux", "修改", "文件", "所有者"], ["Linux", "更改", "文件", "所有者"], ["Linux", "改变", "文件", "所有者"]],
  "keywords_forbid": [],
  "children": [],
  "export": [
    "exercise_01.json"
  ]
}