How do you execute commands in the Ubuntu terminal?

To execute commands in the Ubuntu terminal, first open the terminal application. When entering a command in the terminal, simply press the Enter key to execute the command. For example, to view the files and folders in the current directory, you can use the ls command, then press Enter to execute it. Similarly, to install a software package, you can use the sudo apt-get install command, then press Enter to execute it. When executing commands in the Ubuntu terminal, make sure to input the correct command and parameters to avoid unexpected errors.