halt with timing

Hi there,

I made something simple and became puzzled, can you help me?

I put the following lines into pl.ini

:- write('Hello World'),
   alarm(2,halt,Id,[]).

If i start swipl-win.exe(Wind7) the code works; after two seconds the
window is closed.

If i start swipl.exe after two seconds the console is still there, but if i
want to do something after typing new line and pressing 'Enter' the console
closes. Here I expected the window to be closed also promptly.

Is this a bug, side effect or I do smt wrongly?

regards,
Gabor
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