diff --git a/toolbox.md b/toolbox.md
index de57dac6..ae47fa77 100644
--- a/toolbox.md
+++ b/toolbox.md
@@ -6,6 +6,8 @@ permalink: /toolbox/
 
 ## Command Line
 
+- [Command Line Guide](http://seankross.com/notes/cli/cli.html)
+
 ## Git/GitHub
 
-- [Git & GitHub Video Playlist](https://www.youtube.com/playlist?list=PL5-da3qGB5IBLMp7LtN8Nc3Efd4hJq0kD)
\ No newline at end of file
+- [Git & GitHub Video Playlist](https://www.youtube.com/playlist?list=PL5-da3qGB5IBLMp7LtN8Nc3Efd4hJq0kD)