From fe5f89b457f87a71d1fee54177b511f418c07b67 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=B0=8F=E5=BC=9F=E8=B0=83=E8=B0=83?=
 <kennyiseeyou@gmail.com>
Date: Wed, 8 May 2024 12:06:13 +0800
Subject: [PATCH] doc: Update lsof.md #577

---
 command/lsof.md | 92 +++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 92 insertions(+)

diff --git a/command/lsof.md b/command/lsof.md
index 5c419977c1..59ca84d9c2 100644
--- a/command/lsof.md
+++ b/command/lsof.md
@@ -156,8 +156,100 @@ lsof -i:9981 -P -t -sTCP:LISTEN
 ```shell
 lsof $filename
 ```
+
 查看端口占用
 ```shell
 lsof -i:$port
 ```
 
+**查看所有打开的文件：**
+
+```
+lsof
+```
+
+**查看指定进程打开的文件：**
+
+```
+lsof -p <PID>
+```
+
+**查看指定用户打开的文件：**
+
+```
+lsof -u <username>
+```
+
+**查看指定文件名相关的进程：**
+
+```
+lsof <filename>
+```
+
+**查看网络连接相关的进程：**
+
+```
+lsof -i
+```
+
+**查看指定端口相关的进程：**
+
+```
+lsof -i :<port>
+```
+
+**查看正在使用某个目录的进程：**
+
+```
+lsof +D /path/to/directory
+```
+
+**查看被删除但仍然被某个进程打开的文件：**
+
+```
+lsof -u +L1
+```
+
+**查看某个文件系统上被打开的文件：**
+
+```
+lsof /mountpoint
+```
+
+**以列表形式显示结果：**
+
+```
+lsof -F
+```
+
+**显示结果中不包含主机名：**
+
+```
+lsof -n
+```
+
+**显示结果中不包含进程路径：**
+
+```
+lsof -b
+```
+
+**以逆序显示结果：**
+
+```
+lsof -r
+```
+
+**以特定间隔时间循环显示结果：**
+
+```
+lsof -r <interval>
+```
+
+**以持续模式显示结果：**
+
+```
+lsof -t <interval>
+```
+
+