Which of the following command allows you to change directory to one level above your parent directory?

The correct answer is C. cd..

The cd command is used to change the current working directory. The . option is used to change to the parent directory. The .. option is used to change to the parent directory’s parent directory.

For example, if you are currently in the directory /home/user/Documents, and you run the command cd .., you will be changed to the directory /home/user. If you run the command cd .. .., you will be changed to the directory /home.