diff --git a/task_29.sh b/task_29.sh
new file mode 100755
index 0000000..2f9e44a
--- /dev/null
+++ b/task_29.sh
@@ -0,0 +1,10 @@
+#!/bin/bash
+
+#创建testgroup组
+sudo groupadd testgroup
+
+#创建testuser用户并加入testgroup
+sudo useradd -m -g testgroup testuser
+
+# 验证：查看testuser的id信息
+id testuser