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<title>Common Options - GNU Binary Utilities</title>
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<h2 class="chapter">16 Common Options</h2>
<p>The following command-line options are supported by all of the
programs described in this manual.
<!-- man begin OPTIONS -->
<dl>
<!-- This file is designed to be included in manuals that use -->
<!-- expandargv. -->
<dt><samp><span class="env">@</span><var>file</var></samp><dd>Read command-line options from <var>file</var>. The options read are
inserted in place of the original @<var>file</var> option. If <var>file</var>
does not exist, or cannot be read, then the option will be treated
literally, and not removed.
<p>Options in <var>file</var> are separated by whitespace. A whitespace
character may be included in an option by surrounding the entire
option in either single or double quotes. Any character (including a
backslash) may be included by prefixing the character to be included
with a backslash. The <var>file</var> may itself contain additional
@<var>file</var> options; any such options will be processed recursively.
<!-- man end -->
<br><dt><samp><span class="env">--help</span></samp><dd>Display the command-line options supported by the program.
<br><dt><samp><span class="env">--version</span></samp><dd>Display the version number of the program.
<!-- man begin OPTIONS -->
</dl>
<!-- man end -->
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