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How to ignore Duplicate Commands In History

Hello,I just want to ignore the duplicate commands in the history .How to do that so?

CentOS
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AadrikaAnshu
asked Jun 20 2019

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If the user execute a single command multiple times,you could ignre it by the following command
export HISTCONTROL=ignoredups

With this,it avoid the duplicate commands

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linuxhelp
asked Jun 20 2019
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