watandar

@sterndata Thank you for your reply
here is the output

root       502     1  0 10:42 ?        00:00:03 php-fpm: master process (/etc/php/7.0/fpm/php-fpm.conf)
www-data   504   502  0 10:42 ?        00:00:00 php-fpm: pool www
www-data   505   502  0 10:42 ?        00:00:00 php-fpm: pool www
root       696     1  0 10:42 ?        00:00:00 /usr/bin/sw-engine -c /opt/psa/admin/conf/php.ini /usr/lib/plesk-9.0/psa-health-monitor-notification.php
watan    13628   502  0 23:15 ?        00:00:00 php-fpm: pool mydomain.com
watan    13632   502  0 23:15 ?        00:00:00 php-fpm: pool mydomain.com
root     13641 12877  0 23:16 pts/0    00:00:00 grep --color=auto -i php

and wordpress is on my root directory where I have other scripts running will this command sudo chown -R www-data:www-data * mess with those scripts ?
Thank you for your time