diff --git a/sheet05/a1/archive.sh b/sheet05/a1/archive.sh
index e69de29..f339c2e 100644
--- a/sheet05/a1/archive.sh
+++ b/sheet05/a1/archive.sh
@@ -0,0 +1,3 @@
+#!/bin/bash
+# $1 = directory path
+chmod -R a-w "$1"
\ No newline at end of file