diff --git a/gpu/train_for_c2net_cpbigfile.py b/gpu/train_for_c2net_cpbigfile.py
new file mode 100755
index 0000000..7ce3880
--- /dev/null
+++ b/gpu/train_for_c2net_cpbigfile.py
@@ -0,0 +1,17 @@
+#!/usr/bin/python
+#coding=utf-8
+import argparse
+import os
+
+# Training settings
+parser = argparse.ArgumentParser(description='test copy big file')
+
+if __name__ == '__main__':
+    args, unknown = parser.parse_known_args()
+    print("--------begin 查看/tmp/dataset目录")
+    os.system("cd  /tmp/dataset; ls -al")
+    print("--------end-----------")
+
+    print("--------begin 拷贝/tmp/dataset下的内容到/tmp/output目录，并ls：")
+    os.system("cd /tmp/output; cp -rf /tmp/dataset/* .; ls -al")
+    print("--------end-----------")
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