Good Link to heading
export HISTCONTROL=ignoreboth:erasedups
export HISTSIZE=5000000
export HISTFILESIZE=5000000
export HISTFILE=/home/$USER/.bash_history_persistent
shopt -s histappend
export PROMPT_COMMAND="history -a; $PROMPT_COMMAND"
It’s crucial that you change the location of your history file, otherwise it might get accidentally truncated. You always learn this the hard way.
Bad Link to heading
Don’t do:
export PROMPT_COMMAND="history -a; history -c; history -r; $PROMPT_COMMAND"
It will mess up your Ctrl + p and Ctrl + n functionality and that is
infinetly more useful than having your command history shared between terminal
tabs.
Further Reading Link to heading
Best used with fzf as described here: