Cited from http://www.cyberciti.biz/faq/set-environment-variable-linux/ Display Current EnvironmentType the following command: $ set Sample outputs:BASH=/bin/bash BASH_ARGC=() BASH_ARGV=() BASH_LINENO=() BASH_SOURCE=() BASH_VERSINFO=([0]="3" [1]="2" [2]="25" [3]="1" [4]="release" [5]="x86_64-redhat-linux-gnu") BASH_VERSION='3.2.25(1)-release' COLORS=/etc/DIR_COLORS.xterm COLUMNS=237 CVS_RSH=ssh ..