Where are environment variables found?

InfoPrint Manager environment variables can be found in these files:

/etc/environment
This file contains environment variables that apply to all sessions for all users on a given system. InfoPrint Manager does not set any environment variables using this file, however you can manually set various variables there to be used by InfoPrint Manager.
/etc/profile.d/ipm_environment.sh
The /etc/profile.d/ipm_environment.sh contains environment variables that apply to all the user's Linux sessions. Values in this file override values in /etc/environment.