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This article mainly introduces "the common shortcut key function of the Linux top command". In the daily operation, I believe that many people have doubts about the common shortcut key function of the Linux top command. The editor consulted all kinds of materials and sorted out the simple and easy-to-use operation methods. I hope it will be helpful to answer the doubts of "the common shortcut key function of the Linux top command". Next, please follow the editor to study!

1. Default output of top command

In this case, it will display information such as tasks, memory, cpu, and swapping. Press Q to exit the window.

Top

two。 Use the `top` command to sort shortcut keys

Sort with O (capital "O")

Sort the fields by (Shift+O) by field letters, such as PID (process ID) by a letter.

Type any key to return to the main top window, and the PID order is shown in the following figure. Press Q to exit the window.

3. Show user-specific process shortcuts

Using the top command with the u option will show the details of the user's process.

Top-uroot

4. Highlight the shortcut key for the running process

Pressing the z option when running the top command displays the color of the running process, which may make it easier for you to identify the running process.

5. Keyboard shortcuts that display the absolute path of the process

Pressing the c option while running the top command will display the absolute path of the running process.

6. Modify the delay of `top` or set the shortcut key for screen refresh interval

The default screen refresh interval is 3.0 seconds, which can also be changed by pressing the d option while running the top command, as shown in the following figure.

7. Use the parameter `k` to terminate the shortcut key of a running process

You can check the PID of the process by pressing k while running the top command without having to exit from the top window, as shown below.

8. Keyboard shortcuts sorted by CPU usage

Sort processes by (Shift+P) by CPU utilization. See the screenshot below.

9. Shortcut keys for Renice process

You can use the r option to change the priority of the process (also known as Renice).

10. Keyboard shortcuts to save the results of the `top` command

To save the result output of the running top command to the file / root/. Toprc uses the following command.

Top-n1-b > top-output.txt

11. Get the shortcut key for the help of the `top` command

Press the h option to get top command help.

twelve。 A shortcut to exit the `top` command after a specific repetition

The top output remains refreshed until you press Q. With the following command, the top command will automatically exit after repeating 10 times.

Top-n10 at this point, on the "Linux top command of the common shortcut key function" study is over, I hope to be able to solve everyone's doubts. The collocation of theory and practice can better help you learn, go and try it! If you want to continue to learn more related knowledge, please continue to follow the website, the editor will continue to work hard to bring you more practical articles!

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