[ale] Bash - Advanced Scripting Guide

[Dylan Northrup]

On Wed, Mar 23, 2011 at 10:06 AM, Lightner, Jeff <jlightner at water.com>wrote:

> Calling Bourne a "subset" of BASH just sounds wrong to me - it implies BASH
> was first.  Since Korn shell was an enhanced shell that built on Bourne and
> BASH takes a lot from both I'd say calling BASH a superset of
> Bourne/Korn/Posix makes more sense.
>

If A is a superset of B, then B is a subset of A.  I don't see the
implications you apparently see and have no issue with calling the feature
set of Bourne shell as a subset of the feature set of Bash.  But that could
just be me.

-- 
Dylan Northrup
"Adversity is just change we haven't adapted ourselves to yet."
  - Aimee Mullins
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