On Tue, Apr 26, 2016 at 07:27:26PM -0700, Alice Wonder wrote:
>
> Some of the BSDs use to have a bourne shell and maybe some do, I don't know.
>
Yup.
> bash is mostly compatible with bourne (can run most bourne scripts)
> which is why /bin/sh is a symlink to /bin/bash on GNU and most other
> *nix systems.
Bash can run Bourne, but not necessarily vice versa, which can be
problematic if, say, moving a Linux script to a BSD or AIX box. I
remember something I'd done which used, IIRC, $UID, without realizing it
was a bashism, instead of using id -u.
--
Scott Robbins
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