making environment variable permanent

Question

shell> export HISTTIMEFORMAT='%F %T '
shell> history | tail -n 2
 1006  2010-01-16 00:55:47  export HISTTIMEFORMAT='%F %T '
 1007  2010-01-16 00:55:49 history | tail -n 2

This will last as long as environment variable is set, so if I log out you will need to set it again. How do I make this permanent?

score 3 · Accepted Answer · answered Mar 22 '11 at 07:35

3

Add it to your ~/.bashrc and ~/.bash_profile - one of these will be read when bash starts. .bash_profile is read when you login, .bashrc is read when you create a new interactive non-login shell (such as opening a terminal window from X)

answered Mar 22 '11 at 07:35

Erik

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how do you add it there? – Dchris Jul 23 '13 at 14:42

making environment variable permanent

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