May use this as starting information for a site...
OSX (Sierra)
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/usr/libexec/java_home - Reports on current JAVA_HOME (or at least what it should be)
/usr/local/apache-tomcat-8.5.23 - Tomcat installation
Linux
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Bash Profiles
~/.bashrc
~/.bash_profile
/etc/fstab - The place for mounting, e.g. //<server>/<folder> <localfolder> cifs auto,username-[username],password=[password],uid=0,gid=500 0 0
/etc/hosts - The place for hardcoding DNS entries
/var/log/ - Log files
/etc/sudoers - Sudoers settings
/etc/rc.d/rc.local - Startup script location
/usr/local/bin - Executable scripts (to make available as system wide commands)
/etc/httpd/conf.d/httpd.conf - Apache config
/etc/apache2/apache2.conf - Apache2 config
/etc/yum.conf - Yum config
/etc/network/interfaces - Network interfaces config