> -----Original Message-----
> From: David T. Lewis [mailto:lewis at mail.msen.com]
> Sent: Saturday, April 01, 2000 3:21 PM
> To: squeak at cs.uiuc.edu
> Subject: Headless Unix startup (was: VM bugs and make problems)
> 
> 
> On Sat, Apr 01, 2000 at 10:49:45AM -0500, dpennell at quallaby.com wrote:
> > Has anybody looked at how hard it would be to update the Unix VM 
> > to run headless via a command line switch like the Windows VM does?
> > 
> > -david
> >
> 
> The headless VM has all the X stuff ifdeffed out. That keeps the
> irrelevant crud out of the headless VM. Among other things, I expect
> that this permits cleaner polling for external events, which could
> be important for headless applications.
> 
> If you have OSProcess loaded, you can do 'UnixProcess decapitate'
> to close the UI on a running Squeak, or you can do
> 'UnixProcess forkHeadlessSqueakAndDo: [something]' to start a new
> headless image. In either case, you're still running the normal VM
> (including all the X code), but it makes for an easy way to start a
> headless image without using a separately compiled VM.

Cool !
> I suppose it would be easy to add a command line flag to force
> headless operation from the Unix command line using the normal VM.
> What's the command line flag for this in the Windows and Mac VMs?
> I'll can hack it into the next OSProcess release if there's interest.

On Windows its "-headless".  An icon shows up in the system tray.  You
can click on it and get a live window.  Count me as interested.

Thanks,
-david