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32 .\" @(#)biff.1 8.1 (Berkeley) 6/6/93
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41 .Nd "be notified if mail arrives and who it is from"
48 utility informs the system whether you want to be notified on your terminal
51 Affected is the first terminal associated with the standard input,
52 standard output or standard error file descriptor, in that order.
53 Thus, it is possible to use the redirection facilities of a shell to
54 toggle the notification for other terminals than the one
58 The following options are available:
59 .Bl -tag -width indent
63 Enable header notification.
65 Enable bell notification.
68 When header notification is enabled, the header and first few lines of
69 the message will be printed on your terminal whenever mail arrives.
72 command is often included in the file
76 to be executed at each login.
78 When bell notification is enabled, only two bell characters
81 will be printed on your terminal whenever mail arrives.
83 If no arguments are given,
85 displays the present notification status of the terminal to the
90 utility operates asynchronously.
91 For synchronous notification use the
102 utility exits with one of the following values:
103 .Bl -tag -width indent
105 Notification is enabled.
107 Notification is disabled.
112 Previous versions of the
114 utility affected the terminal attached to standard error without first
115 trying the standard input or output devices.
126 It was named after the dog of Heidi Stettner.
128 in August 1993, at 15.