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+# Support Unix cp command for 2.0 version
+
+## Summary
+Make compatibility with Unix `cp` command([doc](https://man7.org/linux/man-pages/man1/cp.1.html)) Make opportunity to  using same text flags(`-r`, `-f`, etc)
+
+## Motivation
+- For fast understand lib features. Many people familiar this `cp` command. 
+- Add more interesting approaches for using lib.