Linux Commands for Beginners--The top Command

亦凉 2023-06-04 02:53 22阅读 0赞

**In this part I demonstrate the top command, which is useful for displaying an overview of system resources**  
  
  
**1.command:**  
**top**  
 **description:  
display Linux tasks**

**interactive commands:**

**s  
Change the delay between updates.  
 f**

**Add fields to display or remove fields from the display.**

**i**

**Ignore idle and zombie processes. This is a toggle switch.**

**k**

**kill proccess  
  
  
  
  
Example:  
piniheaven@fish:~$ top  
  
![Center][]  
  
  
  
  
  
  
press s to Change the delay between updates.  
![Center 1][]  
  
  
  
  
  
  
  
  
press f to add fields to display or remove fields from the display.  
![Center 2][]  
  
  
Tips:in this picture,we also can see what PID,PR,%CPU,...means  
  
  
  
  
here I don't want to display NI any more,so just press Shift+i,then you will see capital letter**

## I change to lower letter i ##

**![Center 3][]  
  
  
  
  
  
  
  
  
press enter,and look carefully,the column NI had been romoved  
![Center 4][]  
  
  
  
  
  
  
  
  
if you just want to display proccess which active at present,you can press  i  
![Center 5][]  
  
  
  
  
  
  
  
here press i again to show all proccess.  
if you want to kill proccess,just press k ,and then follow with its PID  
![Center 6][]**

[Center]: /images/20230601/13577bf48d9247ceb0464453f9a39dfa.png
[Center 1]: /images/20230601/c379be3f186c43bbb0d5786a5e13329a.png
[Center 2]: /images/20230601/5441acc570e74b6daaddcdd3f339ef88.png
[Center 3]: /images/20230601/8252971d06404712bacf134718fde15e.png
[Center 4]: /images/20230601/4c4f1255635045978c6483b9469ccebf.png
[Center 5]: /images/20230601/1020e0c2cd154ce5a95b526a59c72c91.png
[Center 6]: /images/20230601/df3ff5f03bff49909abfd799bae9c874.png