diff --git a/sig b/sig
index b3914fc..c93b1cf 100755
--- a/sig
+++ b/sig
@@ -1 +1,12 @@
+if [ -z "$1" ]
+  then
+    echo ""
+    echo "  Usage: ./sig <command> {args}"
+    echo ""
+    echo "  Command List:"
+    ls -1 ./scripts | sed -e 's/\.sh$//' | sed -e 's/^/    /'
+    echo ""
+    exit
+fi
+
 ./scripts/$1.sh "${*:2}"
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