How Linux systems Modify the owner and group of files

The MySQL file currently seen belongs to the Zrby user and Zrby group, we need to modify the MySQL file to belong to the root user and the root user group

The input command is the owner of the modified file first: (Must be under the root user to operate)

After entering the command, enter LL to see if the changes were successful.

Then we enter the following command to modify the file's user group

Enter when the command is finished and enter ll to see if the modification was successful.

At this point we have modified it!!

How Linux systems Modify the owner and group of files