From a371f78d25a83afb1afaf6f48b4266b2d728efcc Mon Sep 17 00:00:00 2001
From: nick <nick_php@163.com>
Date: Thu, 24 May 2018 17:34:56 +0800
Subject: [PATCH] update

---
 netstat-system.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/netstat-system.md b/netstat-system.md
index 05b473a..b4e749f 100644
--- a/netstat-system.md
+++ b/netstat-system.md
@@ -278,3 +278,9 @@ hostname -i #查看主机 IP
 hostname –d #查看主机域名
 ```
 
+#### runlevel 命令
+
+```
+runlevel #查看系统运行级别
+```
+