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110 lines
4.5 KiB
HTML
110 lines
4.5 KiB
HTML
4 years ago
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<!-- Copyright (C) 1988-2019 Free Software Foundation, Inc.
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Permission is granted to copy, distribute and/or modify this document
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under the terms of the GNU Free Documentation License, Version 1.3 or
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any later version published by the Free Software Foundation; with the
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Invariant Sections being "Free Software" and "Free Software Needs
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Free Documentation", with the Front-Cover Texts being "A GNU Manual,"
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and with the Back-Cover Texts as in (a) below.
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(a) The FSF's Back-Cover Text is: "You are free to copy and modify
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this GNU Manual. Buying copies from GNU Press supports the FSF in
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developing GNU and promoting software freedom." -->
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<!-- Created by GNU Texinfo 6.4, http://www.gnu.org/software/texinfo/ -->
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<head>
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<title>Shell Commands (Debugging with GDB)</title>
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<meta name="description" content="Shell Commands (Debugging with GDB)">
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<meta name="keywords" content="Shell Commands (Debugging with GDB)">
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<meta name="resource-type" content="document">
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<meta name="distribution" content="global">
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<meta name="Generator" content="makeinfo">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<link href="index.html#Top" rel="start" title="Top">
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<link href="Concept-Index.html#Concept-Index" rel="index" title="Concept Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="Invocation.html#Invocation" rel="up" title="Invocation">
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<link href="Logging-Output.html#Logging-Output" rel="next" title="Logging Output">
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<link href="Quitting-GDB.html#Quitting-GDB" rel="prev" title="Quitting GDB">
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<style type="text/css">
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ul.no-bullet {list-style: none}
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-->
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</style>
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</head>
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<body lang="en">
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<a name="Shell-Commands"></a>
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<div class="header">
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<p>
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Next: <a href="Logging-Output.html#Logging-Output" accesskey="n" rel="next">Logging Output</a>, Previous: <a href="Quitting-GDB.html#Quitting-GDB" accesskey="p" rel="prev">Quitting GDB</a>, Up: <a href="Invocation.html#Invocation" accesskey="u" rel="up">Invocation</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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</div>
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<hr>
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<a name="Shell-Commands-1"></a>
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<h3 class="section">2.3 Shell Commands</h3>
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<p>If you need to execute occasional shell commands during your
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debugging session, there is no need to leave or suspend <small>GDB</small>; you can
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just use the <code>shell</code> command.
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</p>
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<dl compact="compact">
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<dd><a name="index-shell"></a>
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<a name="index-_0021"></a>
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<a name="index-shell-escape"></a>
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</dd>
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<dt><code>shell <var>command-string</var></code></dt>
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<dt><code>!<var>command-string</var></code></dt>
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<dd><p>Invoke a standard shell to execute <var>command-string</var>.
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Note that no space is needed between <code>!</code> and <var>command-string</var>.
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If it exists, the environment variable <code>SHELL</code> determines which
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shell to run. Otherwise <small>GDB</small> uses the default shell
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(<samp>/bin/sh</samp> on Unix systems, <samp>COMMAND.COM</samp> on MS-DOS, etc.).
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</p></dd>
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</dl>
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<p>The utility <code>make</code> is often needed in development environments.
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You do not have to use the <code>shell</code> command for this purpose in
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<small>GDB</small>:
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</p>
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<dl compact="compact">
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<dd><a name="index-make"></a>
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<a name="index-calling-make"></a>
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</dd>
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<dt><code>make <var>make-args</var></code></dt>
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<dd><p>Execute the <code>make</code> program with the specified
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arguments. This is equivalent to ‘<samp>shell make <var>make-args</var></samp>’.
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</p></dd>
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</dl>
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</body>
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</html>
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