How to save command line history without logout? > **Possible Duplicate:** > Is there a way to make the history when pressing up in bash shared between shells? I am opening more than one console tab and I want to use commands that executed from first console tab from new opened console tab. Is this possible to use commands that executed from first tab from second tab that not opened currently? How can I use console history synchronously between consoles?

According to the documentation, `history -a` should append the ``new'' history lines (history lines entered since the beginning of the current bash session) to the history file.