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Clear Linux History

Learn how to clear Linux history on Ubuntu

karchunt

Kar Chun Tan

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Sun Apr 20 2025

1 min read

85 words

Clear Linux History

To clear all history in Linux, you can use either one of the following command:

history -c # clear the current session history cat /dev/null > ~/.bash_history # clear the history file

Additionally, you can use export HISTSIZE=0 to set the **history size to **zero, which will prevent any commands from being saved in the history file.

If you want to ensure that the history is cleared for all users, you can login as the root user and clear the history files for each user in the /home directory.

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