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 PGP keyID EB3467D6 ( 1B48 077D 66F6 9DB0 FDC2 A409 FA54 EB34 67D6 ) gpg --keyserver pgp.mit.edu --recv-keys EB3467D6