[okdana]

Is that what they've done? The linked article doesn't say that.

[brirec]

    $ /bin/sh --version
    GNU bash, version 3.2.57(1)-release (x86_64-apple-darwin19)
    Copyright (C) 2007 Free Software Foundation, Inc.

[koenigdavidmj]

You can change this by pointing /var/select/sh .