Import macOS userland

adv_cmds-176
basic_cmds-55
bootstrap_cmds-116.100.1
developer_cmds-66
diskdev_cmds-667.40.1
doc_cmds-53.60.1
file_cmds-321.40.3
mail_cmds-35
misc_cmds-34
network_cmds-606.40.1
patch_cmds-17
remote_cmds-63
shell_cmds-216.60.1
system_cmds-880.60.2
text_cmds-106

1 files changed, 99 insertions, 0 deletions

diff --git a/mail_cmds/from/from.1 b/mail_cmds/from/from.1
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+.\" Copyright (c) 1980, 1990, 1993
+.\"	The Regents of the University of California.  All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"	This product includes software developed by the University of
+.\"	California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"	@(#)from.1	8.2 (Berkeley) 12/30/93
+.\" $FreeBSD: src/usr.bin/from/from.1,v 1.14 2002/07/15 06:15:38 keramida Exp $
+.\"
+.Dd December 30, 1993
+.Dt FROM 1
+.Os
+.Sh NAME
+.Nm from
+.Nd print names of those who have sent mail
+.Sh SYNOPSIS
+.Nm
+.Op Fl c
+.Op Fl s Ar sender
+.Op Fl f Ar file
+.Op Ar user
+.Sh DESCRIPTION
+The
+.Nm
+utility prints
+out the mail header lines from the invoker's mailbox.
+.Pp
+The following options are available:
+.Bl -tag -width indent
+.It Fl c
+Just print a count of messages and exit.
+.It Fl f Ar file
+The supplied file
+is examined instead of the invoker's mailbox.
+If the
+.Fl f
+option is used, the
+.Ar user
+argument should not be used.
+Read from standard input if file name
+.Ar -
+is given.
+.It Fl s Ar sender
+Only mail from addresses containing
+the
+supplied string are printed.
+.El
+.Pp
+If
+.Ar user
+is given, the
+.Ar user Ns 's
+mailbox is examined instead of the invoker's own mailbox.
+(Privileges are required.)
+.Sh ENVIRONMENT
+.Bl -tag -width Fl
+.It Ev MAIL
+If set, the location of the invoker's mailbox.
+Otherwise, the default in
+.Pa /var/mail
+is used.
+.El
+.Sh FILES
+.Bl -tag -width /var/mail/* -compact
+.It Pa /var/mail/*
+.El
+.Sh SEE ALSO
+.Xr biff 1 ,
+.Xr mail 1
+.Sh HISTORY
+The
+.Nm
+command appeared in
+.Bx 3.0 .