Job 1, use the following script to complete the operation: the new directory in the text file in the current hello.txt, says "hello world", read the contents and displayed on the screen.
https://blog.csdn.net/weixin_44303986/article/details/104810979
job 2, using the script will work in all lowercase letters 1 hello.txt file is replaced with uppercase letters.
https://blog.csdn.net/weixin_44303986/article/details/104811092
Assignment 3, using the vim editor to modify the network configuration file, the Linux system using the same IP address for their computer network address, the mask is 255.255. 255.0 gateway address of the computer used as a gateway, dns is 114.114.114.114, enable card and use the ping command to test the school web site (www.hezeu.edu.cn) connectivity. This job requires a virtual machine NIC mode changed to bridging mode.
https://blog.csdn.net/weixin_44303986/article/details/104811305
