Edit File: unix.html
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Unix Specific Services — Python 2.7.5 documentation</title> <link rel="stylesheet" href="../_static/default.css" type="text/css" /> <link rel="stylesheet" href="../_static/pygments.css" type="text/css" /> <script type="text/javascript"> var DOCUMENTATION_OPTIONS = { URL_ROOT: '../', VERSION: '2.7.5', COLLAPSE_INDEX: false, FILE_SUFFIX: '.html', HAS_SOURCE: true }; </script> <script type="text/javascript" src="../_static/jquery.js"></script> <script type="text/javascript" src="../_static/underscore.js"></script> <script type="text/javascript" src="../_static/doctools.js"></script> <script type="text/javascript" src="../_static/sidebar.js"></script> <link rel="search" type="application/opensearchdescription+xml" title="Search within Python 2.7.5 documentation" href="../_static/opensearch.xml"/> <link rel="author" title="About these documents" href="../about.html" /> <link rel="copyright" title="Copyright" href="../copyright.html" /> <link rel="top" title="Python 2.7.5 documentation" href="../index.html" /> <link rel="up" title="The Python Standard Library" href="index.html" /> <link rel="next" title="35.1. posix — The most common POSIX system calls" href="posix.html" /> <link rel="prev" title="34.4. winsound — Sound-playing interface for Windows" href="winsound.html" /> <link rel="shortcut icon" type="image/png" href="../_static/py.png" /> <script type="text/javascript" src="../_static/copybutton.js"></script> </head> <body> <div class="related"> <h3>Navigation</h3> <ul> <li class="right" style="margin-right: 10px"> <a href="../genindex.html" title="General Index" accesskey="I">index</a></li> <li class="right" > <a href="../py-modindex.html" title="Python Module Index" >modules</a> |</li> <li class="right" > <a href="posix.html" title="35.1. posix — The most common POSIX system calls" accesskey="N">next</a> |</li> <li class="right" > <a href="winsound.html" title="34.4. winsound — Sound-playing interface for Windows" accesskey="P">previous</a> |</li> <li><img src="../_static/py.png" alt="" style="vertical-align: middle; margin-top: -1px"/></li> <li><a href="http://www.python.org/">Python</a> »</li> <li> <a href="../index.html">Python 2.7.5 documentation</a> » </li> <li><a href="index.html" accesskey="U">The Python Standard Library</a> »</li> </ul> </div> <div class="document"> <div class="documentwrapper"> <div class="bodywrapper"> <div class="body"> <div class="section" id="unix-specific-services"> <span id="unix"></span><h1>35. Unix Specific Services<a class="headerlink" href="#unix-specific-services" title="Permalink to this headline">¶</a></h1> <p>The modules described in this chapter provide interfaces to features that are unique to the Unix operating system, or in some cases to some or many variants of it. Here’s an overview:</p> <div class="toctree-wrapper compound"> <ul> <li class="toctree-l1"><a class="reference internal" href="posix.html">35.1. <tt class="docutils literal"><span class="pre">posix</span></tt> — The most common POSIX system calls</a><ul> <li class="toctree-l2"><a class="reference internal" href="posix.html#large-file-support">35.1.1. Large File Support</a></li> <li class="toctree-l2"><a class="reference internal" href="posix.html#notable-module-contents">35.1.2. Notable Module Contents</a></li> </ul> </li> <li class="toctree-l1"><a class="reference internal" href="pwd.html">35.2. <tt class="docutils literal"><span class="pre">pwd</span></tt> — The password database</a></li> <li class="toctree-l1"><a class="reference internal" href="spwd.html">35.3. <tt class="docutils literal"><span class="pre">spwd</span></tt> — The shadow password database</a></li> <li class="toctree-l1"><a class="reference internal" href="grp.html">35.4. <tt class="docutils literal"><span class="pre">grp</span></tt> — The group database</a></li> <li class="toctree-l1"><a class="reference internal" href="crypt.html">35.5. <tt class="docutils literal"><span class="pre">crypt</span></tt> — Function to check Unix passwords</a></li> <li class="toctree-l1"><a class="reference internal" href="dl.html">35.6. <tt class="docutils literal"><span class="pre">dl</span></tt> — Call C functions in shared objects</a><ul> <li class="toctree-l2"><a class="reference internal" href="dl.html#dl-objects">35.6.1. Dl Objects</a></li> </ul> </li> <li class="toctree-l1"><a class="reference internal" href="termios.html">35.7. <tt class="docutils literal"><span class="pre">termios</span></tt> — POSIX style tty control</a><ul> <li class="toctree-l2"><a class="reference internal" href="termios.html#example">35.7.1. Example</a></li> </ul> </li> <li class="toctree-l1"><a class="reference internal" href="tty.html">35.8. <tt class="docutils literal"><span class="pre">tty</span></tt> — Terminal control functions</a></li> <li class="toctree-l1"><a class="reference internal" href="pty.html">35.9. <tt class="docutils literal"><span class="pre">pty</span></tt> — Pseudo-terminal utilities</a></li> <li class="toctree-l1"><a class="reference internal" href="fcntl.html">35.10. <tt class="docutils literal"><span class="pre">fcntl</span></tt> — The <tt class="docutils literal"><span class="pre">fcntl()</span></tt> and <tt class="docutils literal"><span class="pre">ioctl()</span></tt> system calls</a></li> <li class="toctree-l1"><a class="reference internal" href="pipes.html">35.11. <tt class="docutils literal"><span class="pre">pipes</span></tt> — Interface to shell pipelines</a><ul> <li class="toctree-l2"><a class="reference internal" href="pipes.html#template-objects">35.11.1. Template Objects</a></li> </ul> </li> <li class="toctree-l1"><a class="reference internal" href="posixfile.html">35.12. <tt class="docutils literal"><span class="pre">posixfile</span></tt> — File-like objects with locking support</a></li> <li class="toctree-l1"><a class="reference internal" href="resource.html">35.13. <tt class="docutils literal"><span class="pre">resource</span></tt> — Resource usage information</a><ul> <li class="toctree-l2"><a class="reference internal" href="resource.html#resource-limits">35.13.1. Resource Limits</a></li> <li class="toctree-l2"><a class="reference internal" href="resource.html#resource-usage">35.13.2. Resource Usage</a></li> </ul> </li> <li class="toctree-l1"><a class="reference internal" href="nis.html">35.14. <tt class="docutils literal"><span class="pre">nis</span></tt> — Interface to Sun’s NIS (Yellow Pages)</a></li> <li class="toctree-l1"><a class="reference internal" href="syslog.html">35.15. <tt class="docutils literal"><span class="pre">syslog</span></tt> — Unix syslog library routines</a><ul> <li class="toctree-l2"><a class="reference internal" href="syslog.html#examples">35.15.1. Examples</a><ul> <li class="toctree-l3"><a class="reference internal" href="syslog.html#simple-example">35.15.1.1. Simple example</a></li> </ul> </li> </ul> </li> <li class="toctree-l1"><a class="reference internal" href="commands.html">35.16. <tt class="docutils literal"><span class="pre">commands</span></tt> — Utilities for running commands</a></li> </ul> </div> </div> </div> </div> </div> <div class="sphinxsidebar"> <div class="sphinxsidebarwrapper"> <h4>Previous topic</h4> <p class="topless"><a href="winsound.html" title="previous chapter">34.4. <tt class="docutils literal"><span class="pre">winsound</span></tt> — Sound-playing interface for Windows</a></p> <h4>Next topic</h4> <p class="topless"><a href="posix.html" title="next chapter">35.1. <tt class="docutils literal"><span class="pre">posix</span></tt> — The most common POSIX system calls</a></p> <h3>This Page</h3> <ul class="this-page-menu"> <li><a href="../bugs.html">Report a Bug</a></li> <li><a href="../_sources/library/unix.txt" rel="nofollow">Show Source</a></li> </ul> <div id="searchbox" style="display: none"> <h3>Quick search</h3> <form class="search" action="../search.html" method="get"> <input type="text" name="q" /> <input type="submit" value="Go" /> <input type="hidden" name="check_keywords" value="yes" /> <input type="hidden" name="area" value="default" /> </form> <p class="searchtip" style="font-size: 90%"> Enter search terms or a module, class or function name. </p> </div> <script type="text/javascript">$('#searchbox').show(0);</script> </div> </div> <div class="clearer"></div> </div> <div class="related"> <h3>Navigation</h3> <ul> <li class="right" style="margin-right: 10px"> <a href="../genindex.html" title="General Index" >index</a></li> <li class="right" > <a href="../py-modindex.html" title="Python Module Index" >modules</a> |</li> <li class="right" > <a href="posix.html" title="35.1. posix — The most common POSIX system calls" >next</a> |</li> <li class="right" > <a href="winsound.html" title="34.4. winsound — Sound-playing interface for Windows" >previous</a> |</li> <li><img src="../_static/py.png" alt="" style="vertical-align: middle; margin-top: -1px"/></li> <li><a href="http://www.python.org/">Python</a> »</li> <li> <a href="../index.html">Python 2.7.5 documentation</a> » </li> <li><a href="index.html" >The Python Standard Library</a> »</li> </ul> </div> <div class="footer"> © <a href="../copyright.html">Copyright</a> 1990-2020, Python Software Foundation. <br /> The Python Software Foundation is a non-profit corporation. <a href="http://www.python.org/psf/donations/">Please donate.</a> <br /> Last updated on Oct 13, 2020. <a href="../bugs.html">Found a bug</a>? <br /> Created using <a href="http://sphinx.pocoo.org/">Sphinx</a> 1.1.3. </div> </body> </html>