diff --git "a/160804221\347\216\213\344\277\212\347\216\262" "b/160804221\347\216\213\344\277\212\347\216\262"
new file mode 100644
index 0000000..fda9027
--- /dev/null
+++ "b/160804221\347\216\213\344\277\212\347\216\262"
@@ -0,0 +1,43 @@
+exercise1:
+1、cd home
+   touch message.txt
+   su
+   密码
+   ls -li /home/wjl/example/message.txt
+   ls -li /home/whl/moveto/
+   cd example
+   mv message.txt /home/wjl/moveto/
+2、cd ..
+   cd moveto
+   cp -i message.txt /home/
+3、rm -i message.txt
+   y
+   cd ..
+   cd ..
+   rm -i message.txt
+   y
+
+exercise2:
+1、mkdir workbench
+2、touch workbench/readme.txt
+3、vi readme.txt
+   1
+   2
+   3Esc :wq
+4、cat readme.txt
+5、find /home -name *.txt > /home/workbench/list.txt
+6、wc -m home/Workbenchst.txt
+
+exercise3：
+1、man ls
+2、man man
+3、apropos caldendar
+   man cal
+   man calendar
+   man ncal
+
+exercise4:
+1、eog *.png
+2、find . -name "*hiking*.png"
+3、cd /home/wjl/moveto
+   sudo mv index.png /home/wjl/moveto