Go to command line mode when linux is started

When linux is started, it directly enters command line mode. By default, the graphic interface is displayed when the system is started. to switch to command line mode, you must manually Alt + F2, F3. ...... it is very troublesome. Vim/etc/inittab default content is: id: 5: initdefault: changed to: id: 3: initdefault: 5: X11, that is, graphical interface 3: Full multiuser mode, the command line interface in multi-user mode has a running level of 0 ~ 6. the/etc/inittab file is self-explanatory. Shutdown command: init 0 or halt restart command: init 6 or reboot