new page for du

osx/du.md

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+# du
+
+> Estimate file space usage
+
+- get file sizes of directory's content
+
+`du {{file/directory}}`
+
+- get total size in human readable form
+
+`du -sh {{file/directory}}`
+
+- get recursively, individual file/folder sizes in human readable form
+
+`du -ah {{directory}}`
+
+- get file sizes till a specified depth
+
+`du --max-depth=1`