Current File : //usr/share/help/C/system-admin-guide/processes.page
<page xmlns="http://projectmallard.org/1.0/"
xmlns:ui="http://projectmallard.org/ui/1.0/"
xmlns:its="http://www.w3.org/2005/11/its"
type="topic" style="task"
id="processes">
<info>
<link type="guide" xref="software#management" />
<link type="guide" xref="sundry#session"/>
<revision pkgversion="3.12" date="2014-06-17" status="review"/>
<credit type="author copyright">
<name>Matthias Clasen</name>
<email>matthias.clasen@gmail.com</email>
<years>2012</years>
</credit>
<credit type="editor">
<name>Sindhu S</name>
<email>sindhus@live.in</email>
</credit>
<credit type="editor">
<name>Aruna Sankaranarayanan</name>
<email>aruna.evam@gmail.com</email>
</credit>
<credit type="editor">
<name>Petr Kovar</name>
<email>pknbe@volny.cz</email>
</credit>
<desc>Which processes should I expect to see running in a pristine, stock
GNOME session?</desc>
</info>
<title>Typical processes</title>
<p>In a stock <app>GNOME</app> session, programs called daemons or services
run on the system as background processes. You should find the following
daemons running by default:</p>
<terms>
<item>
<title>dbus-daemon</title>
<p> The <app>dbus-daemon</app> provides a message bus daemon which
programs can use to exchange messages with one another.
<app>dbus-daemon</app> is implemented with the D-Bus library which
provides one-to-one communication between any two applications.</p>
<p>For extended information, see the man page for
<link href="man:dbus-daemon">dbus-daemon</link>.</p>
</item>
<item>
<title>gnome-keyring-daemon</title>
<p>Credentials such as user name and password for various programs and
websites are stored securely using the <app>gnome-keyring-daemon</app>.
This information is written into an encrypted file called the keyring
file and saved in the user's home directory.</p>
<p>For extended information, see the man page for
<link its:translate="no" href="man:gnome-keyring-daemon">gnome-keyring-daemon</link>.
</p>
</item>
<item>
<title>gnome-session</title>
<p>The <app>gnome-session</app> program is responsible for running the
GNOME desktop environment with help of a display manager such as
<app>GDM</app>, <app>LightDM</app>, or <app>NODM</app>. The
default session for the user is set at the time of system installation
by the system administrator. <app>gnome-session</app> typically loads
the last session that ran successfully on the system.</p>
<p>For extended information, see the man page for
<link its:translate="no" href="man:gnome-session">gnome-session</link>.
</p>
</item>
<item>
<title>gnome-settings-daemon</title>
<p>The <app>gnome-settings-daemon</app> handles settings for a
GNOME session and for all programs that are run within the
session.</p>
<p>For extended information, see the man page for
<link its:translate="no" href="man:gnome-settings-daemon">gnome-settings-daemon</link>.
</p>
</item>
<item>
<title>gnome-shell</title>
<p><app>gnome-shell</app> provides the core user interface functionality
for GNOME such as launching programs, browsing directories,
viewing files and so on.</p>
<p>For extended information, see the
man page for <link its:translate="no" href="man:gnome-shell">gnome-shell</link>.
</p>
</item>
<item>
<title>pulseaudio</title>
<p><app>PulseAudio</app> is a sound server for Linux, POSIX and Windows
systems that lets programs output audio via the <app>Pulseaudio</app>
daemon.</p>
<p>For extended information, see the man page for
<link its:translate="no" href="man:pulseaudio">pulseaudio</link>.</p>
</item>
</terms>
<p>Depending on the user's setup, you may also see some of the
following, among others:</p>
<list ui:expanded="false">
<title>Additional Processes</title>
<item><p><app>at-spi2-dbus-launcher</app></p></item>
<item><p><app>at-spi2-registryd</app></p></item>
<item><p><app>gnome-screensaver</app></p></item>
<item><p><app>gnome-shell-calendar-server</app></p></item>
<item><p><app>goa-daemon</app></p></item>
<item><p><app>gsd-printer</app></p></item>
<item><p>various <app>Evolution</app> factory processes</p></item>
<item><p>various <app>GVFS</app> processes</p></item>
</list>
</page>
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