From bff5f7c230aee7263ef0eb6876073a8e0c53c665 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E9=99=86=E9=9B=AA=E6=9D=BE?= <xuesong.lu.dase@gmail.com>
Date: Wed, 16 Sep 2020 20:04:04 +0800
Subject: [PATCH] Update Assignment1.md

---
 Assignment1.md | 11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/Assignment1.md b/Assignment1.md
index 79ff6f2..5389ad8 100644
--- a/Assignment1.md
+++ b/Assignment1.md
@@ -130,5 +130,12 @@ Shell是一个应用程序，接收从键盘输入的命令，并传递给操作
 
 ### `**************Q1：上传model.py，打印文件中定义的所有函数，截图包含命令和打印内容**************`
 
-![#fffffff](https://via.placeholder.com/15/f03c15/000000?text=+) `#f03c15`
-![#c5f015](https://via.placeholder.com/15/c5f015/000000?text=+) `#c5f015`
+#### 4）文件操作命令
+
+##### i）`mkdir`：创建新目录
+
+![mkdir](img/assignment1/mkdir.png)
+
+##### ii）`cp`：复制文件/文件夹（若复制文件夹，需加-r选项）
+
+![cp](img/assignment1/cp.png)