Here's a solution that doesn't require ActivePerl: 

use strict;
use Win32::GUI;

my $Window = Win32::GUI::GetPerlWindow();

sleep(5);
Win32::GUI::Hide($Window);
sleep(5);
Win32::GUI::Show($Window);

[download]
Pretty cool, huh? You can also obtain the handle to any other window on the desktop,
and show/hide them at will.

In reply to Re: Running on DOS without the DOS box? by meetraz
in thread Running on DOS without the DOS box? by DaWolf

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