How about this:

\starttext

\phantom{nothing}

\vfill
\input knuth

\stoptext

Best regards: OK

On 3 juil. 08, at 21:37, Horacio Suarez wrote:

> Hello:
>
> this works in linux but doesn´t in windows XP,  both latests context  
> versions.
>
>
> \starttext
>
> algún texto
>
> \page
> ~
>
> \vfill
>
> cualquier texto
>
> \stoptext
>
> --------------------
> Horacio Suarez
> Editorial Antropofagia
> www.eantropofagia.com.ar
>
> > Date: Thu, 3 Jul 2008 21:29:18 +0200
> > From: pmlists@free.fr
> > To: ntg-context@ntg.nl
> > Subject: Re: [NTG-context] Paragraph on the bottom of a page
> >
> > On Thu, Jul 03 2008, Horacio Suarez wrote:
> > >
> > > Maybe it is not elegant but I use vfill with a ~ before.
> >
> > Strange, this doesn't work here:
> > \starttext
> > ~\vfill
> > \input tufte
> > \stoptext
> >
> > Buf I've found 2 other methods. The results are slightly different:
> >
> > \starttext
> > \framed[offset=0pt, frame=off, align=low, height=\textheight,
> > width=\textwidth]{\input tufte
> > }
> > \page
> > % text is slightly higher that on first page, and last linebreak is
> > % different, I don't know why...
> > \hskip0pt\vfill
> > \input tufte
> > \stoptext
> >
> >
> > Cheers, Peter
> >
> > --
> > http://pmrb.free.fr/contact/
> >
> >  
> ___________________________________________________________________________________
> > If your question is of interest to others as well, please add an  
> entry to the Wiki!
> >
> > maillist : ntg-context@ntg.nl / http://www.ntg.nl/mailman/listinfo/ntg-context
> > webpage : http://www.pragma-ade.nl / http://tex.aanhet.net
> > archive : https://foundry.supelec.fr/projects/contextrev/
> > wiki : http://contextgarden.net
> >  
> ___________________________________________________________________________________
>
>
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> ___________________________________________________________________________________
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>
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> wiki     : http://contextgarden.net
> ___________________________________________________________________________________