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

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<reference xml:id="ref.exec" xmlns="http://docbook.org/ns/docbook">

<title>Program execution &Functions;</title>

<partintro>

<section xml:id="exec.notes">

&reftitle.notes;

<warning>

<para>

Open files with lock (especially open sessions) should be closed before

executing a program in the background.

</para>

</warning>

</section>

<section xml:id="exec.seealso">

&reftitle.seealso;

<para>

These functions are also closely related to the

<link linkend="language.operators.execution">backtick operator</link>.

</para>

</section>

</partintro>

&reference.exec.entities.functions;

</reference>

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