I do not know why I have a lof of these files in my home:
ls .bash_history-*
.bash_history-00845.tmp .bash_history-07422.tmp .bash_history-16221.tmp .bash_history-25886.tmp
.bash_history-01857.tmp .bash_history-07639.tmp .bash_history-17933.tmp .bash_history-26162.tmp
.bash_history-02557.tmp .bash_history-10092.tmp .bash_history-18034.tmp .bash_history-26757.tmp
.bash_history-02713.tmp .bash_history-10220.tmp .bash_history-19523.tmp .bash_history-27608.tmp
.bash_history-03077.tmp .bash_history-11536.tmp .bash_history-20921.tmp .bash_history-27679.tmp
.bash_history-03114.tmp .bash_history-12792.tmp .bash_history-22126.tmp .bash_history-29107.tmp
.bash_history-03223.tmp .bash_history-13295.tmp .bash_history-22150.tmp .bash_history-30545.tmp
.bash_history-04952.tmp .bash_history-13979.tmp .bash_history-22365.tmp .bash_history-30673.tmp
.bash_history-05290.tmp .bash_history-14721.tmp .bash_history-22493.tmp .bash_history-30880.tmp
.bash_history-05841.tmp .bash_history-14937.tmp .bash_history-22745.tmp .bash_history-31463.tmp
.bash_history-06839.tmp .bash_history-15627.tmp .bash_history-24598.tmp .bash_history-31657.tmp
.bash_history-07184.tmp .bash_history-15925.tmp .bash_history-25120.tmp
Those that I checked were empty.
Check similar issue on stackexchange: https://unix.stackexchange.com/questions/647708/strange-empty-bash-history-tmp-files-in-my-home-folder
https://bbs.archlinux.org/viewtopic.php?pid=2146951#p2146951
In ~/.bashrc:
export HISTFILESIZE=-1
export HISTSIZE=-1