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55<H1><A NAME="SECTION008800000000000000000">
566.8 <tt class="module">subprocess</tt> -- Subprocess management</A>
57</H1>
58
59<P>
60<A NAME="module-subprocess"></A>
61
62<P>
63
64<span class="versionnote">New in version 2.4.</span>
65
66<P>
67The <tt class="module">subprocess</tt> module allows you to spawn new processes,
68connect to their input/output/error pipes, and obtain their return
69codes. This module intends to replace several other, older modules
70and functions, such as:
71
72<P>
73<div class="verbatim"><pre>
74os.system
75os.spawn*
76os.popen*
77popen2.*
78commands.*
79</pre></div>
80
81<P>
82Information about how the <tt class="module">subprocess</tt> module can be used to
83replace these modules and functions can be found in the following
84sections.
85
86<P>
87
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91<A NAME="CHILD_LINKS"><STRONG>Subsections</STRONG></a>
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93<UL CLASS="ChildLinks">
94<LI><A href="node235.html">6.8.1 Using the subprocess Module</a>
95<UL>
96<LI><A href="node236.html">6.8.1.1 Convenience Functions</a>
97<LI><A href="node237.html">6.8.1.2 Exceptions</a>
98<LI><A href="node238.html">6.8.1.3 Security</a>
99</ul>
100<LI><A href="node239.html">6.8.2 Popen Objects</a>
101<LI><A href="node240.html">6.8.3 Replacing Older Functions with the subprocess Module</a>
102<UL>
103<LI><A href="node241.html">6.8.3.1 Replacing /bin/sh shell backquote</a>
104<LI><A href="node242.html">6.8.3.2 Replacing shell pipe line</a>
105<LI><A href="node243.html">6.8.3.3 Replacing os.system()</a>
106<LI><A href="node244.html">6.8.3.4 Replacing os.spawn*</a>
107<LI><A href="node245.html">6.8.3.5 Replacing os.popen*</a>
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147<span class="release-info">Release 2.4.2, documentation updated on 28 September 2005.</span>
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