Practical hard disk operation viewing tool iotop

If you know that a program is grinding your hard drive, but you are not sure which program is grinding your hard drive, then use iotop to help you.

The installation command in Ubuntu is:

sudo apt-get install iotop

After installation, enter: iotop in the terminal

Let’s talk about the specific application:

You can use the left and right arrows to operate, press r to reverse the direction, press o to switch dynamically

Usage iotop -parameters

–version

to view version information

-h, –help

to view help information

-o, –only show only programs that are scratching the hard disk

-b, –batch batch processing

used to record logs

-n NUM sets the number of times to loop

-d SEC, –delay=SEC Set display time interval

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