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With fish-shell, if I type a few words of a ran command, I will get a prompt of the whole command line. Then I just use Right Arrow key to complete the whole line.

But on other things, fish-shell sucks. So how could I do this prompt thing in bash?

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There is no way for bash to automatically fill in the command line from history. Performing reverse-search-history, bound to CtrlR by default, will allow you to type in part of a command which bash will then attempt to find in history. Performing it while doing a search will find older matches.

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I see. Alright then. Thank you. –  Magicloud Oct 15 '13 at 5:38

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