{
  "node_id": "gml-30df84c89e2e4846aee3b9f07a48fb9a",
  "keywords": [],
  "keywords_must": [["Linux", "修改", "文件", "组"]],
  "keywords_forbid": [],
  "children": [],
  "export": [
    "exercise_01.json"
  ]
}