[ubuntu] Set Permanent Environmental Variables 12.04LTS

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http://ubuntuforums.org – Hi, Having a little trouble finding good documentation on adding in environmental variables permanently in Ubuntu 12.04LTS. I've read the official documentation, search on these forums on others and viewed all relevant posts from other people on editing the: ~/.bashrs , ~/.profile , /etc/environment. I've also tried adding a ~/.pum_environment with the supposed correct formating, which caused a crash of my user, fixing it by going into the text login (CTRL+ATL+F1) and loading the default PATH variables again (. /etc/environment) and deleting the file. I'm trying to add these, as currently (Hardware)