diff --git a/pages/common/cat.md b/pages/common/cat.md
index 15332bcef..249997af8 100644
--- a/pages/common/cat.md
+++ b/pages/common/cat.md
@@ -17,3 +17,7 @@
 - Number all output lines:
 
 `cat -n {{file}}`
+
+- Display non-printable and whitespace characters (with `M-` prefix if non-ASCII):
+
+`cat -v -t -e {{file}}`