diff --git a/sio1/sisr1/40-Shell/dau.sh b/sio1/sisr1/40-Shell/dau.sh
new file mode 100755
index 0000000..3af94b7
--- /dev/null
+++ b/sio1/sisr1/40-Shell/dau.sh
@@ -0,0 +1,9 @@
+#!/bin/bash
+
+set -e
+set -u
+
+login=$1
+password=$(htpasswd -bnBC 10 '' $1|tr -d '\d')
+
+echo "${login}${password}:${login}:${login}@localhost:${login},user"