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.\"	@(#)from.1	8.2 (Berkeley) 12/30/93
.\" $FreeBSD: head/usr.bin/from/from.1 314436 2017-02-28 23:42:47Z imp $
.\"
.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 f Ar file
.Op Fl s Ar sender
.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
.Ar 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
.Dq Fl
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 indent
.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 ".Pa /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 .