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   <title>
     Instructions for Linux and UNIX
  </title>

  <contents>

    <h4 class="c8">System Requirements</h4>
    <p>
    
    The current version of
    Sequin works with the following UNIX variants:
    </p>

    <ul>
      <li>Solaris/Sparc</li>
      <li>Solaris/Intel</li>
      <li>Linux</li>
      <li>SGI Irix5.X</li>
      <li>SGI Irix6.2 and higher</li>
      <li>DEC Alpha OSF1/Digital Unix</li>
      </ul>
      
      <h4 class="c8">Downloading Sequin</h4>
      
      A single executable program works for all supported
      Windows platforms.
      <ol>
        <li class="c10">Create an installation directory for
        sequin using the UNIX command <span class=
        "c9">mkdir</span>, or using your graphical file
        manager.</li>
        <li class="c10">Clicking on the link corresponding to
        your version of UNIX, and the type of compression you
        prefer. See <a href="#Notes">Notes</a> below for help
        in choosing compression type.

        <table border="0" class="c13" cellpadding="4"
               cellspacing="2">
          <tbody>
            <tr>
              <td class="c11" rowspan="1" colspan="1">
              Linux</td>
              <td class="c12" rowspan="1" colspan="1">
                <a href="ftp://ftp.ncbi.nih.gov/sequin/CURRENT/sequin.linux.tar.Z">
                  sequin.linux.tar.Z</a><br />
                  <a href=
                     "ftp://ftp.ncbi.nih.gov/sequin/CURRENT/sequin.linux.tar.gz">
              sequin.linux.tar.gz</a></td>
            </tr>
            <tr>
              <td class="c11" rowspan="1" colspan="1">SGI
              Irix<br /></td>
              <td class="c12" rowspan="1" colspan="1">
                <a href="ftp://ftp.ncbi.nih.gov/sequin/CURRENT/sequin.sgi.tar.Z">
                  sequin.sgi.tar.Z</a><br />
                  <a href=
                     "ftp://ftp.ncbi.nih.gov/sequin/CURRENT/sequin.sgi.tar.gz">
              sequin.sgi.tar.gz</a></td>
            </tr>
            <tr>
              <td class="c11" rowspan="1" colspan="1">
              Solaris/Sparc<br /></td>
              <td class="c12" rowspan="1" colspan="1">
                <a href="ftp://ftp.ncbi.nih.gov/sequin/CURRENT/sequin.solaris.tar.Z">
                  sequin.solaris.tar.Z</a><br />
                  <a href=
                     "ftp://ftp.ncbi.nih.gov/sequin/CURRENT/sequin.solaris.tar.gz">
              sequin.solaris.tar.gz</a></td>
            </tr>
            <tr>
              <td class="c11" rowspan="1" colspan="1">
              Solaris/Intel<br /></td>
              <td class="c12" rowspan="1" colspan="1">
                <a href="ftp://ftp.ncbi.nih.gov/sequin/CURRENT/sequin.solarisintel.tar.Z">
                  sequin.solarisintel.tar.Z</a><br />
                  <a href=
                     "ftp://ftp.ncbi.nih.gov/sequin/CURRENT/sequin.solarisintel.tar.gz">
              sequin.solarisintel.tar.gz</a></td>
            </tr>
          </tbody>
        </table>
        </li>
        <li class="c10">Your Web browser may show a dialog box
        asking if you want to run the program, or save it to
        disk. Choose <span class="c1"><span class=
        "c2">S</span>ave to disk...</span> and save the file to
        your installation directory.</li>
        <li class="c10">If your Web browser can't download the
        file for some reason, see <a href=
        "seq_trouble.html">Troubleshooting</a>. If the browser
        automatically downloads the file without asking for a
        directory to save to, find the downloaded file and move
        it to the installation directory.</li>
      </ol>
      
      <h4 class="c8">Installing Sequin</h4>
      <p>
      Follow these instructions to install Sequin on
      UNIX:
      </p>
      <ol>
        <li class="c10">Create an installation directory for
        the program; for example, <span class="c9">C:\Program
        Files\Sequin</span>. This directory may be anywhere on
        any hard drive in your system.</li>
        <li class="c10">In the installation directory,
        type:<br />
        <strong><code>      uncompress
        sequin.*.tar.Z</code></strong><br />
        or:<br />
        <strong><code>      gzip -d
        sequin.*.tar.gz</code></strong><br />
        depending on which file you downloaded.<br /></li>
        <li class="c10">Type<span class="c9"><span class=
        "c1">:</span></span><br />
        <strong><code>tar xvf
        sequin.*.tar</code></strong><br />
        This command will create a number of files and
        directories within the installation directory. </li>
        <li class="c10">Run an X window manager, if one is not
        already running. Note that your system must be
        configured for the appropriate version of the X Window
        System (X11R4 or X11R5).</li>
        <li class="c10">Start <code>sequin</code> by clicking
        the sequin icon ion the installation
        directory.<br /></li>
        </ol><br />
        
        <h4 class="c8"><a name="Notes" id="Notes"></a>Notes</h4>
        
        <!--  left column   -->
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        <ul>
          <li class="exdent">
            <span class="c3">Choosing a compression type</span>.
            The standard UNIX file compression program
            <span class="c9">compress</span> squeezes a file to
            make it smaller, and indicates that the file is
            compressed by adding a <span class="c9">.Z</span>
            suffix to the filename. The <span class=
            "c9">uncompress</span> program unsqueezes the file
            and removes the .Z suffix. Downloading and
            uncompressing a "<span class="c9">.Z</span> file"
            should work on any UNIX or Linux system. If your UNIX
            or Linux system has the program gzip, you can
            download the .gz version of sequin instead of the .Z
            version. A <span class="c9">.gz</span> file is
            smaller than an equivalent <span class="c9">.Z</span>
            file, so it downloads more quickly. Uncompress (or
            "unzip") a .gz file using the command:<br />
            <span class="c14">gzip -d file.gz</span>
          </li>
        </ul>
    </contents>
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