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I was using bash3 up to now, and just got a copy of the latest version

$ ./bash --version
GNU bash, version 4.1.0(1)-release (i686-pc-linux-gnu)
Copyright (C) 2009 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>

This is free software; you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
$

What are the major changes/feature additions in version 4 over version 3?

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1 Answer 1

up vote 6 down vote accepted

The NEWS file lists the features that were added in each version.

Most notably in 4.0 I see a couple of improvements to the autocompletion infrastructure, the (optional) addition of the ** glob operator, associative arrays and various syntactic shortcuts.

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Also the autocd option — it doesn't look like much, but as a zsh user, it's what I miss most when I occasionally use bash (<4 or unconfigured). –  Gilles Oct 23 '10 at 21:41

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