From c861a6dc4875b9252357db35971bc96a08e5dee1 Mon Sep 17 00:00:00 2001
From: andyxning <andy.xning@gmail.com>
Date: Mon, 18 Jan 2016 22:23:18 +0800
Subject: [PATCH] update cat command

---
 pages/common/cat.md | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/pages/common/cat.md b/pages/common/cat.md
index e1b20ded54..73a7351e64 100644
--- a/pages/common/cat.md
+++ b/pages/common/cat.md
@@ -10,6 +10,10 @@
 
 `cat {{file1}} {{file2}} > {{target-file}}`
 
-- Append serveral files into the target file:
+- Append several files into the target file:
 
 `cat {{file1}} {{file2}} >> {{target-file}}`
+
+- Number all output lines:
+
+`cat -n {{file}}`