diff --git a/.gitignore b/.gitignore
index 7e52c087..8a61f755 100644
--- a/.gitignore
+++ b/.gitignore
@@ -62,3 +62,9 @@ io/test.zip
 io/test.gz
 io/X.file
 *.pyc
+
+*.out
+*.txt
+*.err
+/files/bytes.dat
+/files/test/