Annotation of src/usr.bin/cal/cal.1, Revision 1.2
1.2 ! deraadt 1: .\" $OpenBSD: cal.1,v 1.6 1995/09/02 05:34:20 jtc Exp $
1.1 deraadt 2: .\" $NetBSD: cal.1,v 1.6 1995/09/02 05:34:20 jtc Exp $
3: .\"
4: .\" Copyright (c) 1989, 1990, 1993
5: .\" The Regents of the University of California. All rights reserved.
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7: .\" This code is derived from software contributed to Berkeley by
8: .\" Kim Letkeman.
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38: .\" @(#)cal.1 8.2 (Berkeley) 4/28/95
39: .\"
40: .Dd April 28, 1995
41: .Dt CAL 1
42: .Os
43: .Sh NAME
44: .Nm cal
45: .Nd displays a calendar
46: .Sh SYNOPSIS
47: .Nm cal
48: .Op Fl jy
49: .Op Oo Ar month Oc Ar \ year
50: .Sh DESCRIPTION
51: .Nm Cal
52: displays a simple calendar.
53: If arguments are not specified,
54: the current month is displayed.
55: The options are as follows:
56: .Bl -tag -width Ds
57: .It Fl j
58: Display julian dates (days one-based, numbered from January 1).
59: .It Fl y
60: Display a calendar for the current year.
61: .El
62: .Pp
63: A single parameter specifies the year (1 - 9999) to be displayed;
64: note the year must be fully specified:
65: .Dq Li cal 89
66: will
67: .Em not
68: display a calendar for 1989.
69: Two parameters denote the month (1 - 12) and year.
70: If no parameters are specified, the current month's calendar is
71: displayed.
72: .Pp
73: A year starts on Jan 1.
74: .Pp
75: The Gregorian Reformation is assumed to have occurred in 1752 on the 3rd
76: of September.
77: By this time, most countries had recognized the reformation (although a
78: few did not recognize it until the early 1900's.)
79: Ten days following that date were eliminated by the reformation, so the
80: calendar for that month is a bit unusual.
81: .Sh HISTORY
82: A
83: .Nm
84: command appeared in
85: .At v6 .