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Bash changes - some more variables

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linux-howto

http://wiki.bash-hackers.org – This article is an incomplete overview of changes to Bash over the time. Not all changes are listed, just the ones interesting for normal scripting. The overviews are categorized by topic and inside, ordered by version. If you have more detailed information, and also information about historical Bash versions below V2, feel free to mail me or use the discussion below the page. (HowTos)