How to update firefox in ubuntu using terminal?

@aliya.yundt 

To update Firefox in Ubuntu using the terminal, follow these steps:

1. Open a terminal window by pressing Ctrl + Alt + T on your keyboard.
2. In the terminal, type the following command to update the package index:sudo apt-get update
3. Once the package index has been updated, type the following command to upgrade any installed packages:sudo apt-get upgrade
4. If Firefox is already installed on your system, it will be updated to the latest version. If it is not installed, you can install it by typing the following command:sudo apt-get install firefox
5. Once the installation is complete, you can launch Firefox by typing the following command in the terminal:firefox
6. You should now have the latest version of Firefox installed on your system.