1. What command will show you which groups you are a member of? 2. Which command is to create directories in Ubuntu? 3. What key combination will suspend a currently running process and place it as a background process? 4. With what command (and arguments) can you find out your kernel version and the "nodename"? [The output should not include any other information] 5. Which command is to view permissions of a file named file.txt? Which command is to change the file mode (permissions)? 6. What is the difference between the paths ".", "..", and ""? What does the path "l" refer to when not preceded by anything? 7. What is a pid? Which command would you use to find the "pid" for a running process? 8. Write a single command that will return every user's default shell. [You may chain commands using piping and redirects] (Hint: See 'Chapter 19: filters' of linux-training.be as well as the man page for the letc/passwd file: https://linux.die.net/man/5/passwd) 9. What is the difference between "sudo" and "su root"? 10. Shows the command to create a user called labuser and add labuser to Sudoers in Ubuntu and set /bin/bash as login shell (use sudo and use one command for all requirements). 11. Show the command to copy all the files in a folder test to a remote server with the IP address 137.99.12.5. Assume you can log in to the remote server with the username labuser and the password 123456. You need to copy the folder under the directory /home/labuser/