freebsd-dev/usr.bin/head/head.1

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.\" Copyright (c) 1980, 1990, 1993
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.\" @(#)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
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.Op Fl c Ar bytes
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.Op Ar file ...
.Sh DESCRIPTION
This filter displays the first
.Ar count
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lines or
.Ar bytes
of each of the specified files, or of the standard input if no
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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 .