04-08-2010
thanks , i need to go back to my dormitory now.
i will deal with it tomorrow.
thanks
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CALENDAR(1) General Commands Manual CALENDAR(1)
NAME
calendar - reminder service
SYNOPSIS
calendar [ - ]
DESCRIPTION
Calendar consults the file `calendar' in the current directory and prints out lines that contain today's or tomorrow's date anywhere in the
line. Most reasonable month-day dates such as `Dec. 7,' `december 7,' `12/7,' etc., are recognized, but not `7 December' or `7/12'. On
weekends `tomorrow' extends through Monday.
When an argument is present, calendar does its job for every user who has a file `calendar' in his login directory and sends him any posi-
tive results by mail(1). Normally this is done daily in the wee hours under control of cron(8).
FILES
calendar
/usr/lib/calendar to figure out today's and tomorrow's dates
/etc/passwd
/tmp/cal*
egrep, sed, mail subprocesses
SEE ALSO
at(1), cron(8), mail(1)
BUGS
Your calendar must be public information for you to get reminder service.
Calendar's extended idea of `tomorrow' doesn't account for holidays.
CALENDAR(1)