diff --git a/ch_0/hello_world b/ch_0/hello_world
new file mode 100755
index 0000000..44f6b93
Binary files /dev/null and b/ch_0/hello_world differ
diff --git a/ch_0/hello_world.cpp b/ch_0/hello_world.cpp
new file mode 100644
index 0000000..5a2267d
--- /dev/null
+++ b/ch_0/hello_world.cpp
@@ -0,0 +1,6 @@
+#include <iostream>
+
+int main() {
+    std::cout << "Hello World!\n";
+    return 0;
+}