查看开机加载级别:7个级别 规范场景默认都是3
html
cat /etc/inittab --> 系统开机启动加载的文件,能够设置运行级别 # Default runlevel. The runlevels used are:··:反引号,tab之上 # 0 - halt (Do NOT set initdefault to this) # 1 - Single user mode # 2 - Multiuser, without NFS (The same as 3, if you do not have networking) # 3 - Full multiuser mode # 4 - unused (没有用的模式) # 5 - X11 (桌面模式) # 6 - reboot (Do NOT set initdefault to this) id:3:initdefault:查看当前的运行级别[默认就是3]: runlevel 切换运行级别 init 5 (切换桌面模式) ==>startx