Tomcat7
Windows
As Tomcat 6 except for step 2
cd "C:\Program Files\Apache Software Foundation\Tomcat 7.0\bin
Tomcat7w.exe //ES//tomcat7
See the visual guide here
http://plavc.wordpress.com/2012/02/08/tomcat-service-on-windows/
Linux
sudo nano /etc/tomcat7/tomcat7.conf