WinDirStat是磁盤使用統計瀏覽器和微軟Windows清理工具。在啟動時，它會讀取整個目錄樹一次，然后在三個有用的意見，提出了它：

目錄列表，這類似于Windows資源管理器樹視圖，但按文件/子樹的大小排序，
在TreeMap中，顯示的目錄樹馬上整個內容，
該擴展名列表，它作為一個傳說發球和顯示有關的文件類型的統計資料。

WinDirStat is a disk usage statistics viewer and cleanup tool for Microsoft Windows. On start up, it reads the whole directory tree once and then presents it in three useful views:

The directory list, which resembles the tree view of the Windows Explorer but is sorted by file/subtree size,
The treemap, which shows the whole contents of the directory tree straight away,
The extension list, which serves as a legend and shows statistics about the file types.

官方網站：http://windirstat.info/

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