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I am looking for a command line way to change the background & foreground colors of all open terminal (and also for any new terminal, the new settings should be applied).

Using something like setterm -term linux -back blue -fore white -clear only the terminal in which I execute the command is affected. I want to change for all terminals, without needed to close/reopen any terminal.

thanks

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You can redirect the output of the setterm command to the device file of the terminal.

for i in {0..3}; do setterm -term linux -back blue -fore white -clear > /dev/pts/$i; done
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thank you so much. it works and i learnt something new about /dev/pts –  Jp19 Feb 21 '11 at 4:54

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