Linux共有七种执行等级:

  • run level 0:hait(关机)

  • run level 1:single-user mode(mode for administrative tasks)

  • run level 2:multi-user mode

  • run level 3:multi-user mode(纯命令行模式)

  • run level 4:not used/user-definable

  • run level 5:含有图形界面模式

  • run level 6:重启


Linux

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