manual page distributed with 4.1BSD

SCCS-vsn: usr.bin/biff/biff.1 4.1

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+.\" Copyright (c) 1980 Regents of the University of California.
+.\" All rights reserved.  The Berkeley software License Agreement
+.\" specifies the terms and conditions for redistribution.
+.\"
+.\"    @(#)biff.1      4.1 (Berkeley) %G%
+.\"
+.TH BIFF 1
+.UC 4
+.SH NAME
+biff \- be notified if mail arrives and who it is from
+.SH SYNOPSIS
+.B biff
+[
+.B yn
+]
+.SH DESCRIPTION
+.I Biff
+informs the system whether you want to be notified when mail arrives
+during the current terminal session.
+The command
+.IP
+.B "biff y"
+.LP
+enables notification; the command
+.IP
+.B "biff n"
+.LP
+disables it.
+When mail notification is enabled, the header and first few lines of
+the message will be printed on your screen whenever mail arrives.
+A ``biff y'' command is often included in the file
+.I \&.login
+or
+.I \&.profile
+to be executed at each login.
+.PP
+.I Biff
+operates asynchronously.
+For synchronous notification use the MAIL variable of
+.IR sh (1)
+or the
+.I mail
+variable of
+.IR csh (1).
+.SH SEE ALSO
+csh(1), sh(1), mail(1), mail (4)
+.SH BUGS