Find Tomcat 7 installation folder on Linux/centos or folder /webapps/root/

Their are several way to find installed Apache Tomcat/7.0.61 folder location or web root folder/ www folder which is known webapps in tomcat.

Since late 2012, it is usually under /usr/share/tomcat7.

 Prior to that, it was usually found under /opt/tomcat7.

If tomcat is already running on your machine you can try in this way which is most easy way to use this command

ps -ef | grep tomcat

OR

ps -ef | grep java

to check where it's running from.