73 lines
1.7 KiB
HTML
73 lines
1.7 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 3.2 Final//EN">
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<html>
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<head>
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<meta name="generator" content="HTML Tidy, see www.w3.org">
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<meta http-equiv="Content-Type" content=
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"text/html; charset=utf-8">
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<title>head - Copy the first part of files</title>
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<LINK rel="stylesheet" type="text/css" href="../rzahg/ic.css">
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</HEAD>
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<body bgcolor="#FFFFFF">
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<!-- Java sync-link -->
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<SCRIPT LANGUAGE="Javascript" SRC="../rzahg/synch.js" TYPE="text/javascript"></SCRIPT>
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<h2>head - Copy the first part of files</h2>
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<strong>Synopsis</strong>
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<p><strong>head [-n</strong> <em>count</em><strong>]</strong>
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[<em>file ...</em>]</p>
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<p><strong>Description</strong></p>
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<p>The <strong>head</strong> utility displays the first <em>
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count</em> lines of each of the specified files, or of standard
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input if no files are specified. If <strong>-n</strong> is not
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specified, then the first 10 lines of the file are displayed.</p>
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<p>If more than one <em>file</em> is specified, each <em>file</em>
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is preceded by a header consisting of the string "==> XXX
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<==" where XXX is the name of the file.</p>
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<p><strong>Options</strong></p>
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<dl>
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<dt><strong>-n</strong></dt>
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<dd>Display <em>count</em> number of lines.</dd>
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</dl>
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<p><strong>Exit Status</strong></p>
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<ul>
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<li>0 on success</li>
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<li>>0 if an error occurs.</li>
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</ul>
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<p><strong>Related information</strong></p>
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<ul>
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<li><a href="cat.htm">cat - Concatenate and print files</a></li>
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<li><a href="tail.htm">tail - Copy the last part of a file</a></li>
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</ul>
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<strong>Examples</strong>
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<ol>
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<li>To display the first 20 lines in the file "myfile".
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<pre>
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head -n 20 myfile
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</pre>
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</li>
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</ol>
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<!-- end ibmbody========================================================= -->
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</body>
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</html>
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