ENVIRONMENT



env                             Show all the environment variables.
Usage: env
Some Environment variables:
HOME : home directory
PATH: search path for commands
TERM: terminal type
USER: username
DISPLAY: the name of the machine to which the display is sent.
SHELL: the current shell
PWD: the current directory.
EDITOR : the default text editor
printenv                  Show all or specified environment variable.
Usage: printenv
printenv <variable-name> will print only this variable
setenv                       Sets a particular environment variable.
Usage: setenv <variable-name> <value>
Eg: setenv EDITOR emacs.
setenv DISPLAY bernini.arc.cmu.edu:0.0


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