Svaret på din fråga står längst ner i länken.
Då i ubuntu antagligen lättast att
Följt utav
och samma med stop om du skriver det på ett vanligt dokument och markerar dokumentet som körbart dubbelklickar du på det och väljer alternativet kör i terminal.
* Advanced start and stop parameters
Until version 0.9.4 /opt/lampp/lampp could only start and stop XAMPP. Since version 0.9.5 it learned a lot of new things to do.
START AND STOP PARAMETERS
Parameter Description
start Starts XAMPP.
stop Stops XAMPP.
restart Stops and starts XAMPP.
startapache Starts only the Apache.
startssl Starts the Apache SSL support. This command activates the SSL support permanently, e.g. if you restarts XAMPP in the future SSL will stay activated.
startmysql Starts only the MySQL database.
startftp Starts the ProFTPD server. Via FTP you can upload files for your web server (user "nobody", password "lampp"). This command activates the ProFTPD permanently, e.g. if you restarts XAMPP in the future FTP will stay activated.
stopapache Stops the Apache.
stopssl Stops the Apache SSL support. This command deactivates the SSL support permanently, e.g. if you restarts XAMPP in the future SSL will stay deactivated.
stopmysql Stops the MySQL database.
stopftp Stops the ProFTPD server. This command deactivates the ProFTPD permanently, e.g. if you restarts XAMPP in the future FTP will stay deactivated.
security Starts a small security check programm.
For example: To start Apache with SSL support simply type in the following command (as root):
/opt/lampp/lampp startssl
You can also access your Apache server via SSL under
https://localhost.
* What is where?
What is where? A big question of our existens, here are some answers!

IMPORTANT FILES AND DIRECTORIES
File/Directory Purpose
/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.
* Stopping XAMPP
To stop XAMPP simply call this command:
/opt/lampp/lampp stop
You should now see:
Stopping LAMPP 1.7.3a...
LAMPP: Stopping Apache...
LAMPP: Stopping MySQL...
LAMPP stopped.
And XAMPP for Linux is stopped.
* Uninstall
To uninstall XAMPP just type in this command:
rm -rf /opt/lampp
The end.