diff --git "a/160804227\345\274\240\345\205\264\345\263\260" "b/160804227\345\274\240\345\205\264\345\263\260"
new file mode 100644
index 0000000..fbf68b1
--- /dev/null
+++ "b/160804227\345\274\240\345\205\264\345\263\260"
@@ -0,0 +1,57 @@
+
+EXERCISE 1:
+
+cd /home  
+
+sudo mkdir workbench
+
+sudo touch /home/workbench/readme.txt
+
+cd workbench
+
+vi readme.txt
+
+echo readme.txt/cat readme.txt  //题目有歧义
+
+sudo su  //为了获取读写权限,管理员登录
+
+ls -a /home > list.txt 
+
+wc -m list.txt
+
+
+EXERCISE 2:
+
+touch message.txt
+mv /home/message.txt /home/workbench/
+
+cp /home/workbench/message.txt /home/ 
+
+rm /home/message.txt//方法一
+find /home/workbench/message.txt -delete//方法二
+
+
+
+EXERCISE 3:
+
+man ls
+
+man man
+
+apropos calendar
+
+man calendar
+
+
+
+EXERCISE 4:
+
+find . -name "*.png"
+
+find . -name "*.hiking.*" -delete
+
+mkdir txtpath
+mv *.txt txtplace
+mkdir photopath
+mv *.png photopath
+