diff --git a/todo_list b/todo_list
new file mode 100644
index 0000000..8ab43a7
--- /dev/null
+++ b/todo_list
@@ -0,0 +1,4 @@
+redirection au millieu d'une commande 
+print message quand segfault et "(core dumped)" si WCOREDUMP 
+export += 
+export sort