From a1b07e2b47126ca39fb82b86d35ecffa95ddfd5e Mon Sep 17 00:00:00 2001
From: Steve Mao <maochenyan@gmail.com>
Date: Mon, 20 Apr 2020 14:20:26 +1000
Subject: [PATCH] add brew install tree

---
 readme.md | 1 +
 1 file changed, 1 insertion(+)

diff --git a/readme.md b/readme.md
index 4b666f8..4c95416 100644
--- a/readme.md
+++ b/readme.md
@@ -251,6 +251,7 @@ $ ls -alrth my_folder # -r: reverse output. -t: sort by time (modified). -h: out
 $ tree                                                        # on Linux
 $ find . -print | sed -e 's;[^/]*/;|____;g;s;____|; |;g'      # on MacOS
 # Note: install homebrew (https://brew.sh) to be able to use (some) Linux utilities such as tree.
+# brew install tree
 ```
 
 ## find a stale file