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<page xmlns="http://projectmallard.org/1.0/"
type="topic" style="task"
id="process-explain">
<info>
<revision version="0.2" pkgversion="3.11" date="2014-01-26" status="review"/>
<link type="guide" xref="index#processes-info" group="processes-info" />
<include href="legal.xml" xmlns="http://www.w3.org/2001/XInclude"/>
<credit type="author copyright">
<name>Phil Bull</name>
<email>philbull@gmail.com</email>
<years>2011</years>
</credit>
<credit type="author copyright">
<name>Michael Hill</name>
<email>mdhillca@gmail.com</email>
<years>2011, 2014</years>
</credit>
<desc>A process can be manipulated from the process list.</desc>
</info>
<title>What is a process?</title>
<comment>
<cite date="2011-06-18" href="mailto:philbull@gmail.com">Phil Bull</cite>
<p>Explain, in simple terms, what a process is, how they relate to
applications, how some are 'system processes', and what you can do with a
process.</p>
</comment>
<p>A <gui>process</gui> is a program or application being executed by the
system. When an application is launched, the system assigns a unique process ID
(PID), and its instructions and data are loaded into memory.</p>
<p>The <gui>Processes</gui> tab displays information on processes, and allows
you to <gui>Stop</gui>, <gui>Continue</gui>, <gui>End</gui>, <gui>Kill</gui>,
or change the priority of a process. If you choose to display
<gui>All Processes</gui>, the process list will include
<em>system processes</em>, which run in the background providing various
services that keep a computer running.</p>
</page>
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