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Can I set the global value of an environment variable after having logged in? That is achieve the effect of having set it in ~/.profile.

  • What variable do you want to set? – ctrl-alt-delor Jul 21 '19 at 13:31
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Yes you can however any executable that are launch before will not get the new value.

Just use :

export TMOUT=100
export FOO=bar

If you are in text session (putty/ssh) this is probably OK, if you are in a GUI session, this may cause problems if variable to be set are use by GUI programs.

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