eternal bash history

# Eternal bash history.  # ---------------------  # Undocumented feature which sets the size to "unlimited".  # http://stackoverflow.com/questions/9457233/unlimited-bash-history  export HISTFILESIZE=  export HISTSIZE=  export HISTTIMEFORMAT="[%F %T] "  # Change the file location because certain bash sessions truncate .bash_history file upon close.  # http://superuser.com/questions/575479/bash-history-truncated-to-500-lines-on-each-login  export HISTFILE=~/.bash_eternal_history  # Force prompt to write history after every command.  # http://superuser.com/questions/20900/bash-history-loss  PROMPT_COMMAND="history -a; $PROMPT_COMMAND"