On Wed, Apr 27, 2016 at 03:32:49PM -0453, William A. Mahaffey III wrote: > > From NetBSD 6.1.5: > > > 4256EE1 # man sh ... > SH(1) > > NAME > sh -- command interpreter (shell) ... > > HISTORY > A sh command appeared in Version 1 AT&T UNIX. It was, however, > unmaintainable so we wrote this one. > The V1 shell was of course not Bourne's. However Bourne's code was consider "unmaintainable" as he was an algol coder, not a C coder. He had numerous macros defined to allow him to use his algol coding style with a C compiler. jl -- Jon H. LaBadie jon at jgcomp.com 11226 South Shore Rd. (703) 787-0688 (H) Reston, VA 20190 (703) 935-6720 (C)