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<title>Debugging with GDB: Running</title>
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Next: <a href="Stopping.html#Stopping" accesskey="n" rel="next">Stopping</a>, Previous: <a href="Commands.html#Commands" accesskey="p" rel="previous">Commands</a>, Up: <a href="index.html#Top" accesskey="u" rel="up">Top</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p>
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<a name="Running-Programs-Under-GDB"></a>
<h2 class="chapter">4 Running Programs Under <small>GDB</small></h2>
<p>When you run a program under <small>GDB</small>, you must first generate
debugging information when you compile it.
</p>
<p>You may start <small>GDB</small> with its arguments, if any, in an environment
of your choice. If you are doing native debugging, you may redirect
your program’s input and output, debug an already running process, or
kill a child process.
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<table class="menu" border="0" cellspacing="0">
<tr><td align="left" valign="top">• <a href="Compilation.html#Compilation" accesskey="1">Compilation</a>:</td><td> </td><td align="left" valign="top">Compiling for debugging
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<tr><td align="left" valign="top">• <a href="Starting.html#Starting" accesskey="2">Starting</a>:</td><td> </td><td align="left" valign="top">Starting your program
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<tr><td align="left" valign="top">• <a href="Arguments.html#Arguments" accesskey="3">Arguments</a>:</td><td> </td><td align="left" valign="top">Your program’s arguments
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<tr><td align="left" valign="top">• <a href="Environment.html#Environment" accesskey="4">Environment</a>:</td><td> </td><td align="left" valign="top">Your program’s environment
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<tr><th colspan="3" align="left" valign="top"><pre class="menu-comment">
</pre></th></tr><tr><td align="left" valign="top">• <a href="Working-Directory.html#Working-Directory" accesskey="5">Working Directory</a>:</td><td> </td><td align="left" valign="top">Your program’s working directory
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<tr><td align="left" valign="top">• <a href="Input_002fOutput.html#Input_002fOutput" accesskey="6">Input/Output</a>:</td><td> </td><td align="left" valign="top">Your program’s input and output
</td></tr>
<tr><td align="left" valign="top">• <a href="Attach.html#Attach" accesskey="7">Attach</a>:</td><td> </td><td align="left" valign="top">Debugging an already-running process
</td></tr>
<tr><td align="left" valign="top">• <a href="Kill-Process.html#Kill-Process" accesskey="8">Kill Process</a>:</td><td> </td><td align="left" valign="top">Killing the child process
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<tr><td align="left" valign="top">• <a href="Inferiors-Connections-and-Programs.html#Inferiors-Connections-and-Programs" accesskey="9">Inferiors Connections and Programs</a>:</td><td> </td><td align="left" valign="top">Debugging multiple inferiors
connections and programs
</td></tr>
<tr><td align="left" valign="top">• <a href="Threads.html#Threads">Threads</a>:</td><td> </td><td align="left" valign="top">Debugging programs with multiple threads
</td></tr>
<tr><td align="left" valign="top">• <a href="Forks.html#Forks">Forks</a>:</td><td> </td><td align="left" valign="top">Debugging forks
</td></tr>
<tr><td align="left" valign="top">• <a href="Checkpoint_002fRestart.html#Checkpoint_002fRestart">Checkpoint/Restart</a>:</td><td> </td><td align="left" valign="top">Setting a <em>bookmark</em> to return to later
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