XWindow and command line mode

XWindow and command line mode 1 XWindow and command line mode switch 2 XWindow enter command line mode and command line mode enter XWindow Mode 3 switch Runlevel (execution level) to learn about linux, recently, I have been watching laruence's private X Window and command line mode. 1.X Window and command line mode switch. 2.X Window enter command line mode and command line mode enter X Window mode. 3. by switching the Run level (execution level) implementation mode, to learn about linux, I have been watching laruence's private food recently. it is very suitable for getting started with a book, but I installed the release version of Fedora 19, instead of CentOs, it doesn't matter if you don't know why the partition is located. the essential differences between each release version are not big. after all, the same kernel is used. However, there are some differences, so the following record is based on the KDE desktop environment of Fedora 19. 1. the switching command line mode between Window and command line mode is also called terminal Interface (terminal or console ). By default, Linux provides six terminals for users to log on to. the switchover method is [Ctrl] + [Alt] + [F1] ~. [F6] combination button. [F1] ~ [F6] name it tty1 ~ UI environment of tty6: [Ctrl] + [Alt] + [F1] ~ [F6]: log on to tty1 through the text interface ~ Tty6 terminal; [Ctrl] + [Alt] + [F7]: GUI desktop; however, in the KDE environment of Fedora 19, [F1] is the GUI, [F2] ~ [F6] is a text interface. I don't know what [F7] is. 2. in X Window, enter command line mode and command line mode. in X Window mode, run the following command in a plain text environment: startx in graphic interface mode: [Ctrl] + [Alt] + [Backspace], kill X Window to enter the text interface mode. 3. by switching the Run level (execution level) mode, Linux provides 7 execution levels. The following describes four levels. in the future, we will add: run level 0: Shutdown run level 3: command line mode run level 5: graphic interface mode run level 6: Shutdown in various modes switch requires the init command, for example: init 0: Shutdown init 3: in command line mode, you can also change the content of the/etc/inittab file to change the default environment used when Linux is started.