Don't get intimidated.
Be pro-active, ask questions and take help whenever required
Bahmni team uses a set of tools to handle the work and to communicate.
OpenMRS is deployed as a war. Tomcat is used as its application server. The war can be found in the tomcat webapps folder. The modules (.omods) are deployed in the openmrs modules folder.
OpenELIS is also deployed as a war and can be found in the tomcat webapps folder.
OpenERP runs its own custom server.
The html/css/js files are deployed in httpd exposed directory.