If you want bash to share current history across multiple logins, you can
use the following:

        export PROMPT_COMMAND='history -a; history -n'

which will run a history file read and write append every time a prompt is
issued. That said, you'll always be a prompt or two behind, and your
history file will be HUGE! You'll probably want to set your HISTSIZE to at
least a couple thousand lines if you do this.

See "Printing a Prompt" node in the bash texinfo file for more details.

-- 
Todd A. Jacobs
Senior Network Consultant




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