哪个命令可以为 /home/labex/project/temple 的所有者添加读、写和执行权限？
/home/labex/project/temple
chmod u-rwx /home/labex/project/temple
chmod u+rwx /home/labex/project/temple
chown u+rwx /home/labex/project/temple
chmod g+rwx /home/labex/project/temple