change ownership

basic 
 chown <user>:<group> <option> <path> 
 chown www-data:wheel -R /var/www/html/project_name 
   
 -R = recursive 
 change own from one of the user or group only 
 chown -R --from=root nginx /var/www/html/cms 
 chown -R --from=:root :nginx /var/www/html/cms