1.\" Copyright (c) 1980, 1990, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. Neither the name of the University nor the names of its contributors 13.\" may be used to endorse or promote products derived from this software 14.\" without specific prior written permission. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.Dd December 30, 1993 29.Dt FROM 1 30.Os 31.Sh NAME 32.Nm from 33.Nd print names of those who have sent mail 34.Sh SYNOPSIS 35.Nm 36.Op Fl c 37.Op Fl f Ar file 38.Op Fl s Ar sender 39.Op Ar user 40.Sh DESCRIPTION 41The 42.Nm 43utility prints 44out the mail header lines from the invoker's mailbox. 45.Pp 46The following options are available: 47.Bl -tag -width indent 48.It Fl c 49Just print a count of messages and exit. 50.It Fl f Ar file 51The supplied 52.Ar file 53is examined instead of the invoker's mailbox. 54If the 55.Fl f 56option is used, the 57.Ar user 58argument should not be used. 59Read from standard input if file name 60.Dq Fl 61is given. 62.It Fl s Ar sender 63Only mail from addresses containing 64the 65supplied string are printed. 66.El 67.Pp 68If 69.Ar user 70is given, the 71.Ar user Ns 's 72mailbox is examined instead of the invoker's own mailbox. 73(Privileges are required.) 74.Sh ENVIRONMENT 75.Bl -tag -width indent 76.It Ev MAIL 77If set, the location of the invoker's mailbox. 78Otherwise, the default in 79.Pa /var/mail 80is used. 81.El 82.Sh FILES 83.Bl -tag -width ".Pa /var/mail/*" -compact 84.It Pa /var/mail/* 85.El 86.Sh SEE ALSO 87.Xr biff 1 , 88.Xr mail 1 89.Sh HISTORY 90The 91.Nm 92command appeared in 93.Bx 3.0 . 94