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<?xml version="1.0" encoding="utf-8"?>

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<!-- $Revision$ -->

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<!-- Purpose: fileprocess.process -->

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<!-- Membership: core -->

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<book xml:id="book.exec" xmlns="http://docbook.org/ns/docbook" xmlns:xlink="http://www.w3.org/1999/xlink">

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<?phpdoc extension-membership="core" ?>

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<title>System program execution</title>

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<titleabbrev>Program execution</titleabbrev>

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Those functions provide means to execute commands on the

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system itself, and means to secure such commands.

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</para>

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<note>

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<para>

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All execution functions call the commands through

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<literal>cmd.exe</literal> under Windows. Therefore the user calling these

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functions needs appropriate privilege to run this command. The only

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exception is <function>proc_open</function> with

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<literal>bypass_shell</literal> option.

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</para>

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</note>

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</preface>

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<!-- }}} -->

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