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      <div class="breadcrumb"><a href="/">Home</a> » <a href="/licenses">Licenses</a></div>

      <h1 property="dc:title">BSD 2-Clause - Ian Darwin variant</h1>
      <div style="display:none;"><code property="spdx:deprecated">false</code></div>
      <h2>Full name</h2>
          <p style="margin-left: 20px;"><code property="spdx:name">BSD 2-Clause - Ian Darwin variant</code></p>

      <h2>Short identifier</h2>
          <p style="margin-left: 20px;"><code property="spdx:licenseId">BSD-2-Clause-Darwin</code></p>

      <h2>Other web pages for this license</h2>
          <div style="margin-left: 20px;">
            <ul>
             <li>
               <a href="https://github.com/file/file/blob/master/COPYING" rel="rdfs:seeAlso" isValid=true isLive=true isWayBackLink=false match=false timestamp=2025-07-01T15:00:27Z>https://github.com/file/file/blob/master/COPYING</a>
               <!--Tentative way of displaying information <p>isValid: true, isLive: true, isWayBackLink: false, match: false, timestamp: 2025-07-01T15:00:27Z</p> -->
             </li>
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          </div>

      <div property="spdx:isOsiApproved" style="display: none;">false</div>

      <h2 id="notes">Notes</h2>
          <p style="margin-left: 20px;">This is similar to BSD-2-Clause, except it adds &quot;immediately at the beginning of the file, without modification&quot; in the first clause and adds an attempt to disclaim export law in the beginning.</p>

      <h2 id="licenseText">Text</h2>
      
      <blockquote cite="https://spdx.github.io/spdx-spec/v2.3/license-matching-guidelines-and-templates/">
          <div style="border: 2px solid grey; padding: 8px">
		      Text in italicized blue is omittable (see <a href="https://spdx.github.io/spdx-spec/v2.3/license-matching-guidelines-and-templates/#b35-guideline-omittable-text">Matching Guidelines B.3.5</a>).
		      License or exception text will match to the text for the specified identifier if it either includes or excludes this omittable text.
			  <br/>
			  <br/>
			  Text in red is replaceable (see <a href="https://spdx.github.io/spdx-spec/v2.3/license-matching-guidelines-and-templates/#b34-guideline-replaceable-text">Matching Guidelines B.3.4</a>).
			  License or exception text will match to the text for the specified identifier if it includes a permitted variant of this replaceable text.
			  The permitted variants can be found in the corresponding regular expression as shown in title text visible by hovering over the red text.
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	  </blockquote>

      <div property="spdx:licenseText" class="license-text">
      
         <div class="replaceable-license-text"><span title="can be replaced with the pattern .{0,5000}"> 
            <p>
            Copyright (c) Ian F. Darwin 1986, 1987, 1989, 1990,
            1991, 1992, 1994, 1995.<br />

            Software written by Ian F. Darwin and others<br />

            maintained 1994- Christos Zoulas.
            </p>

         </span></div>
         <p>
            This software is not subject to any export provision
            of the United States Department of Commerce,
            and may be exported to any country or planet.
         </p>

         <p>
            Redistribution and use in source and binary forms, with or without
            modification, are permitted provided that the following conditions
            are met:
         </p>

<ul style="list-style:none">
            
<li>
               <var class="replaceable-license-text"><span title="can be replaced with the pattern .{0,20}"> 1.</span></var>
                  Redistributions of source code must retain the above copyright
                  notice immediately at the beginning of the file, without modification,
                  this list of conditions, and the following disclaimer.
            </li>
            
<li>
               <var class="replaceable-license-text"><span title="can be replaced with the pattern .{0,20}"> 2.</span></var>
                  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.
            </li>
         
</ul>
         <p>
            THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS
            IS&apos;&apos; 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 AUTHOR 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.
         </p>

      
      </div>

      <h2  id="licenseHeader">Standard License Header</h2>
      <div property="spdx:standardLicenseHeader" class="license-text">
        <p style="font-style: italic">There is no standard license header for the license</p>
        
      </div>
      <div property="spdx:standardLicenseTemplate" style="display: none;">
      &lt;&lt;var;name&#61;&quot;copyright&quot;;original&#61;&quot;Copyright (c) Ian F. Darwin 1986, 1987, 1989, 1990, 1991, 1992, 1994, 1995. Software written by Ian F. Darwin and others maintained 1994- Christos Zoulas.  &quot;;match&#61;&quot;.{0,5000}&quot;&gt;&gt;&#10;This software is not subject to any export provision of the United States Department of Commerce, and may be exported to any country or planet.&#10;&#10;Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:&#10;&#10;   &lt;&lt;var;name&#61;&quot;bullet&quot;;original&#61;&quot;1.&quot;;match&#61;&quot;.{0,20}&quot;&gt;&gt; Redistributions of source code must retain the above copyright notice immediately at the beginning of the file, without modification, this list of conditions, and the following disclaimer.&#10;   &lt;&lt;var;name&#61;&quot;bullet&quot;;original&#61;&quot;2.&quot;;match&#61;&quot;.{0,20}&quot;&gt;&gt; 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.&#10;THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS &#96;&#96;AS IS&#39;&#39; 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 AUTHOR 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.&#10;&#10;
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