linux - environment variablesWhat links here?
To temporarily add an environment variable:
VARNAME="value"; export VARNAME


Edit the ~/.bashrc to set the enviromental variables permanently.

To display all environment variables:
printenv


To display a specific environment variable:
echo $Env_Var_Name


Some frequently used environment variables:
PATH
a list of locations to search for executables, separated by colons (:)
linux - environment variables
filename:linux - environment variables
filename:linux%20%2D%20environment%20variables
last edit:January 01 2013 20:05:04 (-3769580 minutes ago)
ct = 1130913892.000000 = November 02 2005 01:44:52
ft = 1357088704.000000 = January 01 2013 20:05:04
dt = -226174812.000000