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How to disable bash shell history

You can use two methods to disable saving shell history in bash.

Method 1:

  • Add the following line at the end of /etc/profile or make a new file in /etc/profile.d/ with .sh extension.


  • With the above option, the user’s bash shell will not save history unless manually configures the HISTFILE variable.

Method 2:

  • Add the following line in either /etc/profile or make a new file under /etc/profile.d/ with the .sh extension to implement the second method.

set +o history

  • Users will still be able to auto-save shell history by manually setting the HISTFILE variable.
  • It is possible to make it difficult for users to get their bash processes to autosave command in shell history. Follow these steps:
  • Set unset HISTFILE or setting set -o history as described in the above steps. Take ownership of the ~/.bashrc and ~/.bash_profile files in all user’s $HOME directories.

chown root:root ~albert/.bashrc ~albert/.bash_profile

  • Make the files immutable in all users $HOME directories as follows:

chattr +i ~albert/.bashrc ~albert/.bash_profile

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