Copying & pasting long command lines across open terminal sessions feels so wrong. Specially since
Ctrl-R could find that hairy one-liner after just a few keystrokes. Except it is buffered in another session. Fortunately, bash is flexible enough to commit every command to the history immediately:
export HISTCONTROL=ignoreboth:erasedups # no duplicate entries export HISTSIZE=100000 # big big history export HISTFILESIZE=100000 # big big history shopt -s histappend # append to history, don't overwrite it # Save and reload the history after each command finishes export PROMPT_COMMAND="history -a; history -c; history -r; $PROMPT_COMMAND"
Discovered at Preserve bash history in multiple terminal windows.