Sorry, yes -- which is why I think the exec hack first show up in the BSD
kernel. It was an efficiency trick on the PDP-11's. The idea was to catch
the change of shell as soon as possible.
On Fri, Apr 21, 2017 at 10:48 AM, Ron Natalie <ron(a)ronnatalie.com> wrote:
Oldest actual use in a post I can find is 1997
*I did find something I had completely forgot about. The csh used to
(probably still does?) differentiate between Bourne shell scripts and csh
scripts by looking for #.*