Use zsh. https://askubuntu.com/questions/23630/how-do-you-share-history-between-terminals-in-zsh https://askubuntu.com/questions/23630/how-do-you-share-histo..

Use zsh. https://askubuntu.com/questions/23630/how-do-you-share-history-between-terminals-in-zsh https://askubuntu.com/questions/23630/how-do-you-share-histo... It is possible to get similar effects by kludging around with bash, but it's a built-in feature in zsh.