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Diffstat (limited to 'usr.bin/head/head.1')
-rw-r--r-- | usr.bin/head/head.1 | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/usr.bin/head/head.1 b/usr.bin/head/head.1 new file mode 100644 index 0000000..2e47515 --- /dev/null +++ b/usr.bin/head/head.1 @@ -0,0 +1,69 @@ +.\" 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 8.1 (Berkeley) 6/6/93 +.\" +.Dd June 6, 1993 +.Dt HEAD 1 +.Os BSD 3 +.Sh NAME +.Nm head +.Nd display first lines of a file +.Sh SYNOPSIS +.Nm head +.Op Fl n Ar count +.Op Ar file ... +.Sh DESCRIPTION +This filter displays the first +.Ar count +lines of each of the specified files, or of the standard input if no +files are specified. +If +.Ar count +is omitted it defaults to 10. +.Pp +If more than a single file is specified, each file is preceded by a +header consisting of the string +.Dq ==> XXX <== +where +.Dq XXX +is the name of the file. +.Pp +The +.Nm head +utility exits 0 on success, and >0 if an error occurs. +.Sh SEE ALSO +.Xr tail 1 +.Sh HISTORY +The +.Nm head +command appeared in +.Bx 3.0 . |