gno/bin/head/head.1
1997-10-03 03:57:52 +00:00

91 lines
2.9 KiB
Groff

.\" 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.
.\"
.\" @(#)head.1 2.0 (GNO) 8/1/97
.\" $Id: head.1,v 1.3 1997/10/03 03:57:52 gdr Exp $
.\"
.TH HEAD 1 "August 1997" "GNO" "Commands and Applications"
.SH NAME
.BR head
\- display first lines of a file
.SH SYNOPSIS
.BR head
.RB [ -n
.IR count " |"
.BI "-c " bytes
.RI "] " file ...
.SS Obsolescent:
.BR head " ["
.BI - count
.RI "] [" file ...]
.SH DESCRIPTION
This filter displays the first
.I count
lines or
.I bytes
of each of the specified
.IR file s,
or of the standard input if no
.IR file s
are specified.
If
.I count
is omitted it defaults to 10.
.LP
If more than a single
.I file
is specified, each
.I file
is preceded by a header consisting of the string
.B "==> XXX <=="
where
.B XXX
is the name of the file.
.LP
The
.BR head
utility exits 0 on success, and >0 if an error occurs.
.SH OPTIONS
.RS
.IP \fB-n \fIlines\fR
Print the indicated number of lines.
.IP \fB-c \fIbytes\fR
Print the indicated number of characters.
.SH VERSION
This manual page documents
.BR head
version 2.0.
.SH ATTRIBUTIONS
This command was ported from FreeBSD source code
for distribution with GNO/ME 2.0.6.
.SH SEE ALSO
.BR tail (1)