diff --git a/books/les-commandes-linux.json b/books/les-commandes-linux.json
index 507923c..8f32928 100644
--- a/books/les-commandes-linux.json
+++ b/books/les-commandes-linux.json
@@ -25,6 +25,21 @@
         "file",
         "dd",
         "cp",
-        "mv"
+        "mv",
+        "cut",
+        "df",
+        "dd",
+        "dh",
+        "diff",
+        "du",
+        "ln",
+        "lsof",
+        "scp",
+        "sftp",
+        "ssh",
+        "tee",
+        "tree",
+        "visudo",
+        "wc"
     ]
 }