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environmentfile, what causes those to load up? For example, after exiting vi editor (changes written successfully) , I'm expecting to writeecho $MY_NEW_VARIABLEand see it print out - EDIT: I see they're there if I launch a new command shell/etc/environment, even if I restarted the bash terminal or typedsource /etc/environment. So if you're having issues where the environment variable isn't perpetuating, try rebooting./etc/environmentis not a script, so it cannot be sourced. It's loaded at login time (and a handful of other system events) by PAM, so you can either logout/login or run a new login session in a terminal by$ su <your username here>to pick up the new values in that isolated session. The values will disappear once you exit, so it's probably less error-prone to just fully logout/login./etc/environmentdidn't work but creating a.shfile in/etc/profile.d/did the trick, thanks :)/etc/environment, that's great. But remember it only affects programs started under that login. If you want the environment change to affect other users, they will need to log in again too (and if you don't consider Kiwy's answer instead). Also, if you want the changes to affect system services, this may require a reboot.