htdocs, httpd.conf, my.cnf, proftpd.conf and php.ini, config.inc.php Configuration file locations in Linux or centos or unix or fedora

Important Configuration Files And Directories

opt/lampp/bin/ - The XAMPP commands home. 

 /opt/lampp/bin/mysql calls for example the MySQL monitor. 

/opt/lampp/htdocs/ - The Apache DocumentRoot directory. 

/opt/lampp/etc/httpd.conf - The Apache configuration file. 

/opt/lampp/etc/my.cnf - The MySQL configuration file. 

/opt/lampp/etc/php.ini - The PHP configuration file. 

/opt/lampp/etc/proftpd.conf - The ProFTPD configuration file. (since 0.9.5) 

/opt/lampp/phpmyadmin/config.inc.php - The phpMyAdmin configuration file.