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. All advertising materials mentioning features or use of this software 13.\" must display the following acknowledgement: 14.\" This product includes software developed by the University of 15.\" California, Berkeley and its contributors. 16.\" 4. Neither the name of the University nor the names of its contributors 17.\" may be used to endorse or promote products derived from this software 18.\" without specific prior written permission. 19.\" 20.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" @(#)head.1 8.1 (Berkeley) 6/6/93 33.\" $FreeBSD: src/usr.bin/head/head.1,v 1.4.2.6 2002/07/15 06:33:12 keramida Exp $ 34.\" $DragonFly: src/usr.bin/head/head.1,v 1.3 2007/07/30 22:11:33 swildner Exp $ 35.\" 36.Dd June 6, 1993 37.Dt HEAD 1 38.Os 39.Sh NAME 40.Nm head 41.Nd display first lines of a file 42.Sh SYNOPSIS 43.Nm 44.Op Fl n Ar count | Fl c Ar bytes 45.Op Ar 46.Sh DESCRIPTION 47This filter displays the first 48.Ar count 49lines or 50.Ar bytes 51of each of the specified files, or of the standard input if no 52files are specified. 53If 54.Ar count 55is omitted it defaults to 10. 56.Pp 57If more than a single file is specified, each file is preceded by a 58header consisting of the string 59.Dq ==> XXX <== 60where 61.Dq XXX 62is the name of the file. 63.Sh EXIT STATUS 64.Ex -std 65.Sh SEE ALSO 66.Xr tail 1 67.Sh HISTORY 68The 69.Nm 70command appeared in PWB 71.Ux . 72