From: Charles Sandmann <sandmann AT clio DOT rice DOT edu>
Newsgroups: comp.os.msdos.djgpp
Subject: Re: gawk 3.1.1 DJGPP v2.04 on Windows 2000 Pro problem using system() function and LFNs
Date: Tue, 28 Jan 2003 21:54:37 CST
Organization: Rice University, Houston TX
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> I tried using your suggestion in various ways, but in each
> case it seems that, although cmd.exe is called at some point
> and displays its version, etc., it never exits, so that each
> time it is called another shell instance is opened.  In the
> end I have had to type "exit" several times to exit the DOS
> window.  This is Windows 2000 Pro, SP2.

Try 
  SET SHELL=%COMSPEC% /C
which seems to work better.

It did something useful in my test case, instead of just ignoring
the command and spawning CMD