diff --git a/sio1/sisr1/40-Shell/dau-ap21 b/sio1/sisr1/40-Shell/dau-ap21
new file mode 100755
index 0000000..339ac17
--- /dev/null
+++ b/sio1/sisr1/40-Shell/dau-ap21
@@ -0,0 +1,6 @@
+#/bin/bash
+
+set -e
+set -u
+
+sh ss./dau.sh laureline.grand ; ./dau.sh gabriel.arnaux ; ./dau.sh elam.monnot) >> /var/www/html/doku/conf/users.auth.php