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Which of these is NOT an Environment Variable in Linux?
USER
TERM
ROOT
HOME
EDITOR
TERM, EDITOR, and HOME are all environment variables (type command printenv to see the list). However ROOT is not an environment variable. EDIT: Excellent questions. To add: root is the user name or account that by default has access to all commands and files on a Linux or other Unix-like operating system. HOME is the path to the home directory for the current user. TERM specifies the type of computer terminal or terminal emulator being used. EDITOR is the name of the program called for editing such as vi. --- Since environment variables a customizable, this is no valid question. You may ask for "typical" or "standard" environment variables. And even than, EDITOR is not one of those (I have checked on three different Linux distributions).
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