commit ba04e7d972ac4f9ab2cf9f1fedf384b1738bbab7
Author: Your Name <you@example.com>
Date:   Mon Sep 29 14:52:54 2025 +0200

    z

diff --git a/du1/program.c b/du1/program.c
new file mode 100644
index 0000000..e69de29