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> adds a lot of good functionality.

Parent's comment is misleading, then. As someone who already has a pretty solid grasp of Bash, when I peeked at Fish it looked like there was nothing that it would gain me -- though I understand that the preconfigured shell can be useful for people who don't have the time to learn and tweak it.

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If fish has a hook (har har), it would be autosuggestions. fish suggests the rest of the command as you type, like your web browser does for URLs. This feels faster than tab completions, because you can see what command you'll get ahead of time. It also lets you summon commands from history quickly, without having to think about it - just start typing.

If you're a die-hard bash user, autosuggestions are the feature most likely to pique your interest and make the command line more pleasant.

Will take a look, but 'history-search-backward' fills most of my needs in that regard.

You really should. Once I got use to the fish auto-complete history, the Bash reverse search felt terribly primitive. There is no Ctrl+R. Just type part of an old command and hit the up arrow to scroll.

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