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This article mainly explains "how to delete the historical record under the Linux system", the content of the explanation in the article is simple and clear, easy to learn and understand, now please follow the editor's train of thought slowly in depth, to study and learn "how to delete the historical record under the Linux system"!

Note: if the target is a linux server when invading, don't forget the record of the history command when you clean up the trace.

1. Modify / etc/profile to change HISTSIZE=1000 to 0 or 1

Clear the user home path. Bash_history

2. Immediately clear the record of history's current history commands.

History-c

3. When bash executes the command, it does not immediately write the command name into the history file, but is stored in the internal buffer, and will be written when bash exits.

However, you can call the 'history-w' command to ask bash to update the history file immediately.

History-w

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