From: "Tony Ingenoso" 

This is a multi-part message in MIME format.

------=_NextPart_000_00B4_01C33DE3.05F83910
Content-Type: text/plain;
        charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable

Its presense (or a good fake) is necessary for those apps that use the =
backdoor command execution API to execute batch commands without = invoking
a nested copy.  Just settting up a plausible PSP and running an = app minus
COMMAND.COM might work the majority of times, but is not = always going to
work.

I believe early versions of 4DOS found this out the hard way and =
eventually had to implement COMMAND.COM's backdoor command execution API =
for compatibility reasons.
  "Rich"  wrote in message news:3efd8f14{at}w3.nls.net...
     When COMMAND.COM runs it is in a VDM.  It's not necessary when you =
run an MS-DOS.

  Rich

------=_NextPart_000_00B4_01C33DE3.05F83910
Content-Type: text/html;
        charset="iso-8859-1"
Content-Transfer-Encoding: quoted-printable








Its presense (or a good fake) is =
necessary for=20
those apps that use the backdoor command execution API to execute batch = commands=20
without invoking a nested copy.  Just settting up a plausible PSP = and=20
running an app minus COMMAND.COM might work the majority of times, but = is not=20
always going to work.
 
I believe early versions of 4DOS found =
this out the=20
hard way and eventually had to implement COMMAND.COM's backdoor = command=20
execution API for compatibility reasons.

  "Rich" <{at}> wrote in message news:3efd8f14{at}w3.nls.net...
     When
COMMAND.COM runs it =
is in a=20
  VDM.  It's not necessary when you run an MS-DOS.
   
  Rich
   

------=_NextPart_000_00B4_01C33DE3.05F83910--

--- BBBS/NT v4.01 Flag-4