But, for example if I want to add this user web01_xx to use the web folder like the root user, which command do I have to type?
Now, when I want to add something using the FTP I need to chmod the /web folder like this:
chown -R -v -f web01_xx:web01 /var/www/web01/web/*
And again when I've finished:
chown -R -v -f wwwrun:root /var/www/web01/web/*