diff --git a/.dir-locals.el b/.dir-locals.el
new file mode 100644
index 0000000..34e4b40
--- /dev/null
+++ b/.dir-locals.el
@@ -0,0 +1,9 @@
+(
+ (c++-mode . ((fill-column . 80)
+              (indent-tabs-mode . nil)))
+ (c-mode . ((fill-column . 80)
+            (indent-tabs-mode . nil)))
+ (python-mode . ((fill-column . 80)
+                 (tab-width . 2)
+                 (indent-tabs-mode . nil)))
+)