diff --git a/gitconfig.sample b/gitconfig.sample
index 91d2928..7f71167 100644
--- a/gitconfig.sample
+++ b/gitconfig.sample
@@ -1,5 +1,14 @@
 [user]
 	name = Yongmin Hong
 	email = revi@pobox.com
-[core]
-	autocrlf = true
+	signingkey = BEFF197A
+[alias]
+	co = checkout
+	cm = commit -S
+	st = status
+	br = branch -v
+	fa = fetch --all
+	graph = log --pretty=format:\"%h %s\" --graph
+	usync = rebase upstream/master
+	aal = add *
+	po = push origin master