games/quiz: add another president answer section and update data
[games.git] / games / grdc / grdc.6
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984263bc 1.\" $FreeBSD: src/games/grdc/grdc.6,v 1.2.12.1 2001/10/02 11:51:49 ru Exp $
b3804287 2.\" $DragonFly: src/games/grdc/grdc.6,v 1.4 2006/05/12 14:05:39 swildner Exp $
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3.Dd September 25, 2001
4.Dt GRDC 6
1fbe6674 5.Os
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6.Sh NAME
7.Nm grdc
8.Nd grand digital clock (curses)
9.Sh SYNOPSIS
10.Nm
11.Op Fl s
180ac9b3 12.Op Fl d Ar msecs
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13.Op Ar n
14.Sh DESCRIPTION
15.Nm
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16displays a digital clock made of reverse-video blanks
17centered on a curses-compatible terminal.
18.Pp
b3804287 19By default, the clock runs indefinitely.
180ac9b3 20When the optional numeric argument
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180ac9b3 22is given, it stops after
984263bc 23.Ar n
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24seconds.
25.Pp
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26The optional
27.Fl s
28flag makes digits scroll as they change.
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29Over slow links, the scrolling option may have trouble keeping up.
30.Pp
31The default time taken to scroll the digits into view is 120
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32milliseconds.
33The
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34.Fl d
35option, which implies
36.Fl s ,
37may be given to explicitly set the scroll duration.
38The maximum scroll duration is effectively 5 seconds.
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39.Sh AUTHORS
40.An -nosplit
41.An Amos Shapir ,
42modified for curses by
43.An John Lupien .