XRandR是X Rotate and Reflect Extension（改變大小與旋轉擴充）的縮寫，用來在命令列介面中對Linux系統中的X視窗系統的多螢幕做出一些設定的軟體，能更改外接螢幕的大小、解析度等[1]。
參考資料
外部連結
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