how to calculate busy hour

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My program: __________________________________ #!/bin/ksh DAY=`date +%y%m%d` H=`date +%H` M=`date +%M` day=`date +%m/%d/%y` let h=$H-1 echo DAY $DAY echo H $H echo M $M echo day $day echo h $h _____________________________________ My result:

LEARN ABOUT MOJAVE

hylafax-shutdown

HYLAFAX-SHUTDOWN(5)						File Formats Manual					       HYLAFAX-SHUTDOWN(5)

NAME

       etc/shutdown - server shutdown control file

DESCRIPTION

       If the file etc/shutdown is present it describes when a HylaFAX server is to be shutdown and may contain a descriptive message to return to
       clients explaining the reason for the shutdown.	This file is used by the hfaxd(8) program.

       The file has the following format:

	      <year> <month> <day> <hour> <minute> <deny> <disconnect>
	      <shutdown message text>

       The first line defines the date and time the server should be shutdown and the time preceding  at  which  unprivileged  clients	should	be
       denied  service or disconnected; these fields are described in more detail below.  Any lines that follow the first are taken as the text of
       a message to return to clients when notifying them of a scheduled shutdown or when denying them service.

       <year>	 The decimal year; e.g. 1996.

       <month>	 The decimal month; e.g. 10 for October.

       <day>	 The decimal day of the month in the range [1..31].

       <hour>	 The decimal hour since midnight; in the range [0..23].

       <minute>  The decimal minute after the hour; in the range [0..59].

       <deny>	 The time prior to the shutdown time at which to deny service to unprivileged clients.	This value is specified as decimal  number
		 in the form HHMM; e.g.  130 for 1 hour and 30 minutes.

       <disconnect>
		 Time time prior to the shutdown time at which to disconnect unprivileged clients that are logged in to the server.  This value is
		 specified as a decimal number in the form HHMM.

NOTES

       This file is typically created using the ``SHUT'' command supported by hfaxd(8).

SEE ALSO

       hfaxd(8), hylafax-server(5)

								 January 18, 1996					       HYLAFAX-SHUTDOWN(5)

Shell Programming and Scripting