Не сохранять логи shell

ln -s /dev/null .bash_history

ln -s /dev/null /home/user/.bash_history
ln: failed to create symbolic link ‘/home/user/.bash_history’: File exists

     -F    If the target file already exists and is a directory, then remove
           it so that the link may occur.  The -F option should be used with
           either -f or -i options.  If none is specified, -f is implied.  The
           -F option is a no-op unless -s option is specified.