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Amir reza Riahi
Asked: 2019-10-27 12:11:52 +0800 CST

运行“top”命令时按 Enter 会发生什么

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当我运行时top，我会看到 Linux 进程列表。但是当我按下时Enter，它会改变，我不明白会发生什么。
另外，当我按下其他按钮f时，g会h发生一些事情。请为我解释一下这些控件是做什么的？这些会损坏我的操作系统吗？

command-line top

1 个回答

  1. Best Answer

    有关热键的完整列表，请参阅手册页的4. 交互式命令部分（在线或通过键入）。topman top

    以下是您特别询问的提取的内容：

     <Enter> or <Space>  :Refresh-Display
      These  commands  awaken  top  and following receipt of any input the entire display
      will be repainted.  They also force an update of any  hotplugged  cpu  or  physical
      memory changes.

      Use either of these keys if you have a large delay interval and wish to see current
      status,

      ? | h  :Help
      There are two help levels available.  The first will provide a reminder of all  the
      basic interactive commands.  If top is secured, that screen will be abbreviated.

      Typing  `h'  or `?' on that help screen will take you to help for those interactive
      commands applicable to alternate-display mode.

      g  :Choose-Another-Window/Field-Group
      You  will be prompted to enter a number between 1 and 4 designating the field group
      which should be made the `current' window.  You will  soon  grow  comfortable  with
      these 4 windows, especially after experimenting with alternate-display mode.

      f | F  :Fields-Management
      These keys display a  separate  screen  where  you  can  change  which  fields  are
      displayed,  their  order  and  also  designate  the  sort  field.   For  additional
      information on these interactive commands see topic 3b. MANAGING Fields.
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