Correction, Doug: System III and System V do NOT implement #!/bin/sh.
This is found ONLY in 4BSD decescendants
from one who is even now suffering System V,
Erik E. Fair
dual!fair at BERKELEY.ARPA
{ihnp4,ucbvax,cbosgd,decwrl,amd70,fortune,zehntel}!dual!fair
Dual Systems Corporation, Berkeley, California