^            ^ Start-Befehl            ^ apachectl      ^ apache binary ^
|Ubuntu 1304 | ''service apache2'' | ''apache2ctl'' | ''/usr/sbin/apache2''|

^Start-Skript                     ^ apachectl                    ^ binary         ^ Signal ^
|''service apache2 status''   | ''apache2ctl status''        |  
|''service apache2 start''    | ''apache2ctl start''         |-k start        |
|''service apache2 stop''     | ''apache2ctl stop''          |-k stop         | TERM   |
|                                 | ''apache2ctl graceful-stop'' |-k graceful-stop|
|''service apache2 restart''  |
|''service apache2 reload''   | ''apache2ctl restart''       |-k restart      | HUP    |
|                                 | ''apache2ctl graceful''      |-k graceful     | USR1   |
|                                 | ''apache2ctl configtest''    |-t|