The ubuntu system is generally started with a graphical interface by default. Enter the user name and password to log in. The graphical interface consumes more memory. Sometimes you may feel that the system is stuck. At this time, set the default character interface to start during class. The specific method is as follows:
Step 1: Open the file: /etc/default/grub
Step 2: Modify the content in the red box below:
Step 3: Restart the system to enter the character interface: sudo reboot, as follows:
If you need to switch from the character interface to the graphical interface, after logging in to the system, enter the command: startx
