Computers are good at following instructions, but not at reading your mind.
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Cunningham, all the terminals interact with your shell program. The shell program manages the history. The terminals are just computer interfaces for text entry and display, they do not know about your shell history.
I think if you closed all your terminals and run them all, then pressing key-up would display the same command from history.
When you have executed a bunch of commands on each of the terminals and you close them, bash overwrites .bash_history again and again with history in each session.
You should see my previous comment I answered Josh on how to have a unified .bash_history accross all bash sessions (no matter what terminal).
(why do I need your e-mail?)
It would be nice if you left your e-mail address. Sometimes I want to send a private message, or just thank for the great comment. Having your e-mail really helps.
I will never ever spam you.
(Your twitter name, if you have one. (I'm @pkrumins, btw.))
* use <pre>...</pre> to insert a plain code snippet.
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Peteris Krumins' blog about programming, hacking, software reuse, software ideas, computer security, browserling, google and technology.
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I love to read science books. They make my day and I get ideas for awesome blog posts, such as Busy Beaver, On Functors, Recursive Regular Expressions and many others.
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