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<!DOCTYPE article PUBLIC "-//OASIS//DTD DocBook XML V4.1.2//EN" "http://www.oasis-open.org/docbook/xml/4.1.2/docbookx.dtd" [
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<!ENTITY legal SYSTEM "legal.xml">
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<!ENTITY appversion "2.24.4">
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<!ENTITY manrevision "2.2">
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<!ENTITY date "March 2009">
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<!ENTITY app "System Monitor">
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(Do not remove this comment block.)
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Maintained by the GNOME Documentation Project
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http://developer.gnome.org/projects/gdp
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Template version: 2.0 beta
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Template last modified Apr 11, 2002
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<!-- =============Document Header ============================= -->
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<article id="index" lang="sl">
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<!-- please do not change the id; for translations, change lang to -->
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<!-- appropriate code -->
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<title>System Monitor Manual V2.2</title>
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<holder>Paul Cutler</holder>
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<holder>Sun Microsystems</holder>
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<holder>Bill Day</holder>
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<!-- translators: uncomment this:
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<holder>ME-THE-TRANSLATOR (Latin translation)</holder>
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<publisher role="maintainer">
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<publishername> GNOME Documentation Project </publishername>
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<legalnotice id="legalnotice">
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Permission is granted to copy, distribute and/or modify this
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document under the terms of the GNU Free Documentation
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License (GFDL), Version 1.1 or any later version published
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by the Free Software Foundation with no Invariant Sections,
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no Front-Cover Texts, and no Back-Cover Texts. You can find
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a copy of the GFDL at this <ulink type="help" url="ghelp:fdl">link</ulink> or in the file COPYING-DOCS
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distributed with this manual.
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<para> This manual is part of a collection of GNOME manuals
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distributed under the GFDL. If you want to distribute this
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manual separately from the collection, you can do so by
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adding a copy of the license to the manual, as described in
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section 6 of the license.
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Many of the names used by companies to distinguish their
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products and services are claimed as trademarks. Where those
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names appear in any GNOME documentation, and the members of
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the GNOME Documentation Project are made aware of those
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trademarks, then the names are in capital letters or initial
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DOCUMENT AND MODIFIED VERSIONS OF THE DOCUMENT ARE PROVIDED
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UNDER THE TERMS OF THE GNU FREE DOCUMENTATION LICENSE
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WITH THE FURTHER UNDERSTANDING THAT:
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<para>DOCUMENT IS PROVIDED ON AN "AS IS" BASIS,
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WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR
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IMPLIED, INCLUDING, WITHOUT LIMITATION, WARRANTIES
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THAT THE DOCUMENT OR MODIFIED VERSION OF THE
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DOCUMENT IS FREE OF DEFECTS MERCHANTABLE, FIT FOR
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A PARTICULAR PURPOSE OR NON-INFRINGING. THE ENTIRE
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RISK AS TO THE QUALITY, ACCURACY, AND PERFORMANCE
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OF THE DOCUMENT OR MODIFIED VERSION OF THE
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DOCUMENT IS WITH YOU. SHOULD ANY DOCUMENT OR
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MODIFIED VERSION PROVE DEFECTIVE IN ANY RESPECT,
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YOU (NOT THE INITIAL WRITER, AUTHOR OR ANY
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CONTRIBUTOR) ASSUME THE COST OF ANY NECESSARY
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SERVICING, REPAIR OR CORRECTION. THIS DISCLAIMER
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OF WARRANTY CONSTITUTES AN ESSENTIAL PART OF THIS
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LICENSE. NO USE OF ANY DOCUMENT OR MODIFIED
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VERSION OF THE DOCUMENT IS AUTHORIZED HEREUNDER
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EXCEPT UNDER THIS DISCLAIMER; AND
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<para>UNDER NO CIRCUMSTANCES AND UNDER NO LEGAL
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THEORY, WHETHER IN TORT (INCLUDING NEGLIGENCE),
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CONTRACT, OR OTHERWISE, SHALL THE AUTHOR,
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INITIAL WRITER, ANY CONTRIBUTOR, OR ANY
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DISTRIBUTOR OF THE DOCUMENT OR MODIFIED VERSION
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OF THE DOCUMENT, OR ANY SUPPLIER OF ANY OF SUCH
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PARTIES, BE LIABLE TO ANY PERSON FOR ANY
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DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR
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CONSEQUENTIAL DAMAGES OF ANY CHARACTER
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INCLUDING, WITHOUT LIMITATION, DAMAGES FOR LOSS
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OF GOODWILL, WORK STOPPAGE, COMPUTER FAILURE OR
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MALFUNCTION, OR ANY AND ALL OTHER DAMAGES OR
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LOSSES ARISING OUT OF OR RELATING TO USE OF THE
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DOCUMENT AND MODIFIED VERSIONS OF THE DOCUMENT,
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EVEN IF SUCH PARTY SHALL HAVE BEEN INFORMED OF
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THE POSSIBILITY OF SUCH DAMAGES.
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<!-- This file contains link to license for the documentation (GNU FDL), and
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other legal stuff such as "NO WARRANTY" statement. Please do not change
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<firstname>Sun</firstname>
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<surname>GNOME prevajalska ekipa</surname>
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<affiliation><orgname>Sun Microsystems</orgname></affiliation>
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<firstname>Bill</firstname>
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<surname>Day</surname>
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<affiliation><address><email>billday@bellatlantic.net</email></address></affiliation>
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<firstname>Paul</firstname>
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<surname>Cutler</surname>
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<orgname>GNOME Documentation Project</orgname>
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<address><email>pcutler@foresightlinux.org</email></address>
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<!-- This is appropriate place for other contributors: translators,
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maintainers, etc. Commented out by default.
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<othercredit role="translator">
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<firstname>Latin</firstname>
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<surname>Translator 1</surname>
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<orgname>Latin Translation Team</orgname>
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<address> <email>translator@gnome.org</email> </address>
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<contrib>Latin translation</contrib>
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<releaseinfo revision="2.28" role="review">
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<ulink type="review" url="http://bugzilla.gnome.org/show_bug.cgi?id=500559"/>
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<revnumber>System Monitor Manual V2.2</revnumber>
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<date>March 2009</date>
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<para role="author">Paul Cutler <email>pcutler@foresightlinux.org</email></para>
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<para role="publisher">GNOME Documentation Project</para>
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<revnumber>System Monitor Manual V2.1</revnumber>
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<date>February 2004</date>
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<para role="author">Sun GNOME Documentation Team</para>
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<para role="publisher">GNOME Documentation Project</para>
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<revnumber>System Monitor Manual V2.0</revnumber>
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<date>November 2002</date>
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<para role="author">Bill Day <email>billday@bellatlantic.net</email></para>
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<para role="publisher">GNOME Documentation Project</para>
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<revnumber>Procman Manual V0.11</revnumber>
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<date>January 2002</date>
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<para role="author">Bill Day <email>billday@bellatlantic.net</email></para>
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<para role="publisher">GNOME Documentation Project</para>
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This manual describes version 2.24.4 of System Monitor.
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<title>Feedback</title>
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To report a bug or make a suggestion regarding the System Monitor application or this manual, follow the directions in the <ulink url="ghelp:gnome-feedback" type="help">GNOME Feedback Page</ulink>.
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<!-- Translators may also add here feedback address for translations -->
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<abstract role="description">
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System Monitor gives users a graphical user interface for monitoring CPU,
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network, and memory activities as well as a way for viewing
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and stopping system processes.
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<indexterm zone="index">
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<primary>System Monitor</primary>
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<indexterm zone="index">
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<primary>gnome-system-monitor</primary>
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<indexterm zone="index">
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<primary>procman</primary>
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<!-- ============= Document Body ============================= -->
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<!-- ============= Introduction ============================== -->
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<sect1 id="gnome-system-monitor-intro">
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<title>Introduction</title>
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The <application>System Monitor</application> application enables you to display basic system information and monitor system processes, usage of system resources, and file systems. You can also use <application>System Monitor</application> to modify the behavior of your system.
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The <application>System Monitor</application> window contains four tabbed sections:
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<guilabel>System</guilabel>
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<para>Displays various basic information about the computer's hardware and software.</para>
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<para>Distribution version</para>
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<para>Linux Kernel version</para>
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<para>GNOME version</para>
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<term>Strojna oprema</term>
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<para>Nameščen pomnilnik</para>
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<para>Processors and speeds</para>
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<para>Currently available disk space</para>
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<guilabel>Opravila</guilabel>
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Shows active processes, and how processes are related to each other. Provides detailed information about individual processes, and enables you to control active processes.
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<guilabel>Viri</guilabel>
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Displays the current usage of the following system resources:
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CPU (central processing unit) time
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Memory and swap space
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<guilabel>File Systems</guilabel>
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Lists all mounted file systems along with basic information about each.
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<!-- ============= Getting Started =========================== -->
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<sect1 id="gnome-system-monitor-getting-started">
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<title>Getting Started</title>
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<!-- ============= To Start System Monitor ============================ -->
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<sect2 id="gnome-system-monitor-to-start">
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<title>To Start System Monitor</title>
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<para>You can start <application>System Monitor</application> in the following ways:</para>
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<term><guimenu>System</guimenu> menu</term>
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Choose <menuchoice><guimenu>Administration</guimenu> <guimenuitem>System Monitor</guimenuitem></menuchoice>.
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<term>Command line</term>
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Execute the following command: <command>gnome-system-monitor</command></para>
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<sect2 id="gnome-system-monitor-when-you-start">
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<title>When You Start System Monitor</title>
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When you start <application>System Monitor</application>, the following window is displayed:
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<figure id="gnome-system-monitor-window">
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<title>System Monitor Window</title>
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<imagedata fileref="figures/gnome-system-monitor_window.png" format="PNG"/>
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<textobject> <phrase>Shows System Monitor main window.</phrase>
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The <application>System Monitor</application> window contains the following elements:
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The menus on the menubar contain all of the commands that you need to work with <application>System Monitor</application>.
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<term>Display area</term>
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The display area contains the system monitor information. The display area contains the following tabbed sections:
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<guilabel>System</guilabel>
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Contains a list of basic system properties, such as system software versions and hardware specifications and status.
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<guilabel>Opravila</guilabel>
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Contains a list of processes organized as a table, a list of load averages over the past few minutes, and an <guibutton>End Process</guibutton> button.
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<guilabel>Viri</guilabel>
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Contains a <guilabel>CPU History</guilabel> graph, a <guilabel>Memory and Swap History</guilabel> graph, and a <guilabel>Network History</guilabel> graph.
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<guilabel>File Systems</guilabel>
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Contains a table of currently mounted file systems.
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<term>Statusbar</term>
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The statusbar displays information about current <application>System Monitor</application> activity and contextual information about the menu items.
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<!-- ================ Usage ================================ -->
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<!-- This section should describe basic usage of the application. -->
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<sect1 id="gnome-system-monitor-usage">
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<sect2 id="gnome-system-monitor-display-basic-info">
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<title>To Display Basic System Information</title>
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To display basic system information, select the <guilabel>System</guilabel> tab.
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In the <guilabel>System</guilabel> tab, information is organized into three groups:
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<para>Strojna oprema</para>
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<sect2 id="gnome-system-monitor-display-processlist">
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<title>To Display the Process List</title>
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To display the process list, select the <guilabel>Processes</guilabel> tab.
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In the <guilabel>Processes</guilabel> tab, the processes are organized as a table. The rows of the table display information about the processes. The columns represent information fields for the processes, such as the name of the user who owns the process, the amount of memory currently being used by the process, and so on. From left to right, the <guilabel>Processes</guilabel> tab displays the following columns by default:
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<para>Process Name</para>
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For information about how to change the columns displayed in the process list, see <xref linkend="gnome-system-monitor-prefs-proclist"/>.
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<sect3 id="gnome-system-monitor-display-processlist-child">
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<title>Parent Processes and Child Processes</title>
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A parent process is a process that spawns another process. The spawned process is a child process of the original parent process. By default, <application>System Monitor</application> does not show process dependencies. For information about how to change the default display behavior, see <xref linkend="gnome-system-monitor-modify-processlist-viewdeps"/>.
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<sect3 id="gnome-system-monitor-display-processlist-priority">
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<title>Process Priority and Nice Values</title>
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Processes run in order of priority: high-priority processes run before low-priority processes. Child processes generally inherit their priority from their parent process.
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The priority of a process is set by the nice value of the process, as follows:
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A nice value of 0 means that the process has normal priority.
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The higher the nice value, the lower the priority.
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The lower the nice value, the higher the priority.
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For information about how to change the priority of a process, see <xref linkend="gnome-system-monitor-change-priority"/>.
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<sect2 id="gnome-system-monitor-sort-processlist">
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<title>To Sort the Process List</title>
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To sort the process list, perform the following steps:
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Select the <guilabel>Processes</guilabel> tab to display the process list.
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By default, the processes are listed by name, in alphabetical order. To list the processes in reverse alphabetical order, click on the <guilabel>Process Name</guilabel> column header.
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Click on any column header to sort the processes by the information in that column, in alphabetical or numerical order.
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Click again on the column header to sort the data in reverse alphabetical or reverse numerical order.
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<sect2 id="gnome-system-monitor-modify-processlist">
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<title>To Modify the Contents of the Process List</title>
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You can modify the contents of the process list in several ways.
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<sect3 id="gnome-system-monitor-modify-processlist-all">
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<title>To Show All Processes</title>
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To show all processes in the process list, perform the following steps:
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Select the <guilabel>Processes</guilabel> tab to display the process list.
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<guimenu>View</guimenu>
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<guimenuitem>All Processes</guimenuitem>
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<sect3 id="gnome-system-monitor-modify-processlist-my">
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<title>To Show Only Processes Owned by the Current User</title>
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To show only the processes that are owned by the current user, perform the following steps:
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Select the <guilabel>Processes</guilabel> tab to display the process list.
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<guimenu>View</guimenu>
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<guimenuitem>My Processes</guimenuitem>
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<sect3 id="gnome-system-monitor-modify-processlist-active">
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<title>To Show Only Active Processes</title>
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To show only the active processes in the process list, perform the following steps:
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Select the <guilabel>Processes</guilabel> tab to display the process list.
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<guimenu>View</guimenu>
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<guimenuitem>Active Processes</guimenuitem>
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<sect3 id="gnome-system-monitor-modify-processlist-viewdeps">
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<title>To Show Dependencies</title>
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To show process dependencies in the process list, perform the following steps:
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Select the <guilabel>Processes</guilabel> tab to display the process list.
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Choose <menuchoice><guimenu>View</guimenu><guimenuitem>Dependencies</guimenuitem></menuchoice>.
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If the <guimenuitem>Dependencies</guimenuitem> menu item is selected, the processes are listed as follows:
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Parent processes are indicated by a triangle symbol to the left of the process name. Click on the triangle symbol to show or hide the associated child processes.
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Child processes are indented, and listed with their parent process.
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If the <guimenuitem>Dependencies</guimenuitem> menu item is not selected:
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Parent processes and child processes are not distinguishable.
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All processes are listed in alphabetical order.
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<sect2 id="gnome-system-monitor-memory-map">
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<title>To Display Memory Maps for a Process</title>
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To display memory maps for a process, perform the following steps:
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Select the <guilabel>Processes</guilabel> tab to display the process list.
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Select the process in the process list.
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Choose <menuchoice><guimenu>View</guimenu><guimenuitem>Memory Maps</guimenuitem></menuchoice>.
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The <guilabel>Memory Maps</guilabel> dialog displays the information in tabular format. The name of the process is displayed above the memory-map table. From left to right, the <guilabel>Memory Maps</guilabel> dialog displays the following columns:
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<term><guilabel>Filename</guilabel></term>
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The location of a shared library that is currently used by the process. If this field is blank, the memory information in this row describes memory that is owned by the process whose name is displayed above the memory-map table.
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<term><guilabel>VM Start</guilabel></term>
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The address at which the memory segment begins.
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<term><guilabel>VM End</guilabel></term>
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The address at which the memory segment ends.
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<term><guilabel>VM Size</guilabel></term>
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The size of the memory segment.
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<term><guilabel>Flags</guilabel></term>
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The following flags describe the different types of memory-segment access that the process can have:
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The memory segment is private to the process, and is not accessible to other processes.
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The process has permission to read from the memory segment.
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The memory segment is shared with other processes.
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The process has permission to write into the memory segment.
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The process has permission to execute instructions that are contained within the memory segment.
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<term><guilabel>VM Offset</guilabel></term>
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The virtual memory offset of the memory segment.
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<term><guilabel>Device</guilabel></term>
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The major and minor device numbers of the device on which the shared library filename is located.
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<term><guilabel>Inode</guilabel></term>
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The inode on the device from which the shared library location is loaded into memory.
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Click on any column header to sort the data by the information in that column, in alphabetical or numerical order. Click again on the column header to sort the data in reverse alphabetical or reverse numerical order.
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Click <guibutton>Close</guibutton> to close the <guilabel>Memory Maps</guilabel> dialog.
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<sect2 id="gnome-system-monitor-change-priority">
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<title>To Change the Priority of a Process</title>
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To change the priority of a process, perform the following steps:
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Select the <guilabel>Processes</guilabel> tab to display the process list.
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Select the process for which you want to change the priority.
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Choose <menuchoice><guimenu>Edit</guimenu><guimenuitem>Change Priority</guimenuitem></menuchoice>. The <guilabel>Change Priority</guilabel> dialog is displayed.
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Use the slider to set the nice value of the process.
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The nice value sets the priority of the process: the lower the nice value, the higher the priority.
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To specify a nice value lower than zero, non-root users must enter the root password.
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Click on the <guibutton>Change Priority</guibutton> button.
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<sect2 id="gnome-system-monitor-end-process">
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<title>To End a Process</title>
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To end a process, perform the following steps:
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Select the <guilabel>Processes</guilabel> tab to display the process list.
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Select the process that you want to end.
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Choose <menuchoice><guimenu>Edit</guimenu><guimenuitem>End Process</guimenuitem></menuchoice>, or click on the <guibutton>End Process</guibutton> button.
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By default, a confirmation alert is displayed. For information about how to display or hide the confirmation alert, see <xref linkend="gnome-system-monitor-prefs-proclist"/>.
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Click on the <guibutton>End Process</guibutton> button to confirm that you want to end the process. <application>System Monitor</application> forces the process to finish normally.
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This is the preferred way to stop a process.
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<sect2 id="gnome-system-monitor-terminate-process">
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<title>To Terminate a Process</title>
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To terminate a process, perform the following steps:
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Select the <guilabel>Processes</guilabel> tab to display the process list.
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Select the process that you want to terminate.
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Choose <menuchoice><guimenu>Edit</guimenu><guimenuitem>Kill Process</guimenuitem></menuchoice>.
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By default, a confirmation alert is displayed. For information about how to display or hide the confirmation alert, see <xref linkend="gnome-system-monitor-prefs-proclist"/>.
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Click on the <guibutton>Kill Process</guibutton> button to confirm that you want to terminate the process. <application>System Monitor</application> forces the process to finish immediately.
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You usually terminate a process only if you cannot end the process normally as described in <xref linkend="gnome-system-monitor-end-process"/>.
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<sect2 id="gnome-system-monitor-cpu">
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<title>To Monitor CPU Usage</title>
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To monitor CPU usage, select the <guilabel>Resources</guilabel> tab.
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<application>System Monitor</application> displays the CPU usage history in graphical format. Underneath the graph, <application>System Monitor</application> also displays the current CPU usage, as a percentage.
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<sect2 id="gnome-system-monitor-memory">
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<title>To Monitor Memory and Swap Usage</title>
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To monitor memory and swap usage, select the <guilabel>Resources</guilabel> tab.
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<application>System Monitor</application> displays the memory usage history and the swap usage history in graphical format. Underneath the graph, <application>System Monitor</application> also displays the following numerical values:
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Used memory out of total memory
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Used swap out of total swap
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<sect2 id="gnome-system-monitor-network">
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<title>To Monitor Network Activity</title>
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To monitor network activity, select the <guilabel>Resources</guilabel> tab.
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<application>System Monitor</application> displays the network history in graphical format. Underneath the graph, <application>System Monitor</application> also displays the following numerical values:
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Received data per second and total
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Sent data per second and total
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<sect2 id="gnome-system-monitor-disk">
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<title>To Monitor File Systems</title>
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To monitor file systems, select the <guilabel>File Systems</guilabel> tab.
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<application>System Monitor</application> displays mounted file systems in tabular format. From left to right, the table displays the following columns:
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<para>Location of block file</para>
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<para>Mount point (directory to access) of device</para>
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<para>File system type</para>
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<para>Total capacity</para>
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<para>Amount of space not in use</para>
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<para>Amount of space which can be used</para>
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<para>Amount of space which is used (and percentage of Total)</para>
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<sect1 id="gnome-system-monitor-prefs">
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<title>Preferences</title>
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<para>To configure <application>System Monitor</application>, choose <menuchoice><guimenu>Edit</guimenu><guimenuitem>Preferences</guimenuitem></menuchoice>. The <guilabel>Preferences</guilabel> dialog contains the following tabbed sections:
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<sect2 id="gnome-system-monitor-prefs-proclist">
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<title>Opravila</title>
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<guilabel>Behavior</guilabel>
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<guilabel>Update interval in seconds</guilabel>
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Use this spin box to specify the interval at which you want to update the process list.
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<guilabel>Enable smooth refresh</guilabel>
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Select this option to refresh smoothly.
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<guilabel>Alert before ending or killing processes</guilabel>
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Select this option to display a confirmation alert when you end a process or terminate a process.
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<guilabel>Divide CPU usage by CPU count</guilabel>
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Select this to divide each process' CPU% in the Processes table by the number of CPUs.
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<guilabel>Information Fields</guilabel>
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Use the following options to select which fields are displayed in the process list:
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<guilabel>Process Name</guilabel>
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Select this option to display the name of the process. This column may also contain an icon to indicate the application that is associated with the process.
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<guilabel>User</guilabel>
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Select this option to display the name of the user who owns the process.
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<guilabel>Status</guilabel>
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Select this option to display the current status of the process: sleeping or running.
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<guilabel>Virtual Memory</guilabel>
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Select this option to display the amount of virtual memory that is allocated to the process.
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<guilabel>Resident Memory</guilabel>
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Select this option to display the amount of physical memory that is allocated to the process.
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<guilabel>Writable Memory</guilabel>
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Select this option to display the amount of memory that can be written by the process.
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<guilabel>Shared Memory</guilabel>
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Select this option to display the amount of shared memory that is allocated to the process. Shared memory is memory that can be accessed by another process.
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<guilabel>X Server Memory</guilabel>
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Select this option to display the amount of X server memory that is used by the process.
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<guilabel>% CPU</guilabel>
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Select this option to display the percentage of CPU time currently being used by the process.
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<guilabel>CPU Time</guilabel>
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Select this option to display the amount of CPU time that has been used by the process.
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<guilabel>Started</guilabel>
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Select this option to display when the process began running.
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<guilabel>Nice</guilabel>
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Select this option to display the nice value of the process. The nice value sets the priority of the process: the lower the nice value, the higher the priority.
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<guilabel>ID</guilabel>
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Select this option to display the process identifier, also known as the pid. The pid is a number that uniquely identifies the process. You can use the pid to manipulate the process on the command line.
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<guilabel>Memory</guilabel>
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Select this option to display the amount of system memory that is currently being used by the process.
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<guilabel>Security Context</guilabel>
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Select this option to display the security context in which the process is running.
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<guilabel>Command Line</guilabel>
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Select this option to display the command line that was used to start the process, including arguments.
1287
<sect2 id="gnome-system-monitor-prefs-resmon">
1291
<term><guilabel>Graphs</guilabel></term>
1296
<guilabel>Update interval in seconds</guilabel>
1299
Use this spin box to specify how often you want to update the <application>System Monitor</application> graphs.
1304
<guilabel>Show network speed in bits</guilabel>
1307
Select this option to use bits instead of bytes for displaying network speed in the <application>System Monitor</application> graphs.
1316
<sect2 id="gnome-system-monitor-prefs-filesystems">
1317
<title>File Systems</title>
1320
<term><guilabel>Behavior</guilabel></term>
1325
<guilabel>Update interval in seconds</guilabel>
1328
Use this spin box to specify how often you want to update the <guilabel>File Systems</guilabel> table.
1333
<guilabel>Show all file systems</guilabel>
1336
Select this option to show all file systems, including temporary and system ones.