diff --git a/3_basic_tools.md b/3_basic_tools.md
index 52bbcf5..087e3fa 100644
--- a/3_basic_tools.md
+++ b/3_basic_tools.md
@@ -16,4 +16,17 @@ pacman -S thunar thunar-volman gvfs
 The 2 last element is for the mounting of the usb stick
 
 
+CRON
+---------------------
+```
+pacman -S cronie
+```  
+
+and enable it:
+```
+systemctl start cronie
+systemctl enable cronie
+```
+
+