diff --git a/.dir-locals.el b/.dir-locals.el
new file mode 100644
index 0000000..8e21964
--- /dev/null
+++ b/.dir-locals.el
@@ -0,0 +1,7 @@
+;; Project-wide indentation settings for Emacs: use tabs, 8-chars wide, and fill at 92
+;; columns. The indentation offset for Shell and C modes is one tab.
+((nil . ((indent-tabs-mode . t)
+         (tab-width . 8)
+         (fill-column . 92)))
+ (c-mode . ((c-basic-offset . 8)))
+ (sh-mode . ((sh-basic-offset . 8))))