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90 lines
2.8 KiB
Groff
90 lines
2.8 KiB
Groff
.\" Copyright (c) 1980, 1990, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. All advertising materials mentioning features or use of this software
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.\" must display the following acknowledgement:
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.\" This product includes software developed by the University of
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.\" California, Berkeley and its contributors.
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.\" 4. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)biff.1 8.1 (Berkeley) 6/6/93
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.\" $Id$
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.\"
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.Dd June 6, 1993
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.Dt BIFF 1
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.Os BSD 4
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.Sh NAME
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.Nm biff
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.Nd "be notified if mail arrives and who it is from"
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.Sh SYNOPSIS
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.Nm biff
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.Op Cm ny
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.Sh DESCRIPTION
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.Nm Biff
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informs the system whether you want to be notified when mail arrives
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during the current terminal session.
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.Pp
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Options supported by
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.Nm biff :
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.Bl -tag -width 4n
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.It Cm n
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Disables notification.
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.It Cm y
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Enables notification.
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.El
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.Pp
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When mail notification is enabled, the header and first few lines of
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the message will be printed on your screen whenever mail arrives.
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A
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.Dq Li biff y
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command is often included in the file
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.Pa \&.login
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or
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.Pa \&.profile
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to be executed at each login.
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.Pp
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.Nm Biff
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operates asynchronously.
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For synchronous notification use the
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.Ar MAIL
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variable of
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.Xr sh 1
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or the
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.Ar mail
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variable of
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.Xr csh 1 .
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.Sh SEE ALSO
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.Xr csh 1 ,
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.Xr mail 1 ,
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.Xr sh 1 ,
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.Xr comsat 8
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.Sh HISTORY
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The
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.Nm
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command appeared in
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.Bx 4.0 .
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It was name after the dog of Heidi Stettner. He died
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in August 1993, at 15.
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