doc: Update lsof.md (#466)

查看指定端口的占用
2023-02-10 10:28:29 +08:00 · 2023-02-10 10:28:29 +08:00 · c2d0b9de8c
parent 29d9f9808d
commit c2d0b9de8c
1 changed files with 4 additions and 1 deletions
--- a/command/lsof.md
+++ b/command/lsof.md
@ -156,5 +156,8 @@ lsof -i:9981 -P -t -sTCP:LISTEN
 ```shell
 lsof $filename
 ```
-
+查看端口占用
+```shell
+lsof -i:$port
+```