diff --git a/notebook/Linux/Tools/Deer.md b/notebook/Linux/Tools/Deer.md
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+[Deer](https://github.com/Vifon/deer) is a ranger-like file browser for ZSH
+
+```sh
+# ~/.zshrc
+. $HOME/workspace/deer
+zle -N deer
+bindkey '\ek' deer
+```
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