1. Create a directory and files in the directory
2. Compress files
3. Decompress the file
4. Cut files
5. Copy files
6. View the current absolute path (current location)
7. Check the CPU
8. Check memory and disks
9. Permission commands grant permissions to files
10. Check the process
11. Kill processes
12. View the server IP address
13. Ping the external IP address
14. Ping the Intranet address
15. Run the vi file name command to modify the file content
16. Exit the modified file
17. Access the super administrator system (enter the password, the password is not displayed)
