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BIFF(1)			RedHat General Commands	Manual		       BIFF(1)

NAME
     biff -- be	notified if mail arrives and who it is from

SYNOPSIS
     biff [ny]

DESCRIPTION
     Biff informs the system whether you want to be notified when mail arrives
     during the	current	terminal session.

     Options supported by biff:

     n	   Disables notification.

     y	   Enables notification.

     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 .login or .profile to be	exe-
     cuted at each login.

     Biff operates asynchronously via the comsat(8) service. If	that service
     is	not enabled, biff will not do anything.	In that	case, or for synchro-
     nous notification,	use the	MAIL variable of sh(1) or the mail variable of
     csh(1).

SEE ALSO
     csh(1), mail(1), sh(1), comsat(8)

HISTORY
     The biff command appeared in 4.0BSD.

BUGS
     su(1), and	biff don't seem	to get on too well. This is probably due to
     the tty still being owned by the person using su. This can	result in
     ``Permission denied'' messages when attempting to change the biff status
     of	your session.

     Please report bugs	to netbug@ftp.uk.linux.org including diffs/patches,
     compiler error logs or as complete	a bug report as	is possible.

Linux NetKit (0.17-pre-20000412) July 31, 1999Linux NetKit (0.17-pre-20000412)

NAME | SYNOPSIS | DESCRIPTION | SEE ALSO | HISTORY | BUGS

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