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18.
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There are thousands of programs available to install on Xubuntu. These programs are stored in software repositories and are made freely available for all Xubuntu users. This makes it very easy to install new programs, and it is also very secure because each program you install is built specially for Xubuntu and checked before it is allowed into the repositories.
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(no translation yet)
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Located in
add-applications/C/add-applications.xml:102(para)
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19.
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To organise the software, Xubuntu repositories are categorised into four groups: <emphasis>Main</emphasis>, <emphasis>Restricted</emphasis>, <emphasis>Universe</emphasis>, and <emphasis>Multiverse</emphasis>. The rationale used to determine which software goes into which category is based on the level of support that software development teams provide for a program and the level of compliance the program has to the <ulink url="http://www.ubuntu.com/ubuntu/philosophy">Free Software Philosophy</ulink>.
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(no translation yet)
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Located in
add-applications/C/add-applications.xml:109(para)
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25.
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It is possible to add extra repositories, such as those provided by third parties or those for older version of Xubuntu.
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(no translation yet)
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Located in
add-applications/C/add-applications.xml:147(para)
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26.
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Be careful when installing software from third-party repositories. It may not have been tested with Xubuntu and could cause your system to break.
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(no translation yet)
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Located in
add-applications/C/add-applications.xml:153(para)
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27.
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Open <menuchoice><guimenu>Applications</guimenu><guisubmenu>System</guisubmenu><guimenuitem>Software Sources</guimenuitem></menuchoice> and press <guilabel>Third Party Software</guilabel>.
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(no translation yet)
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Located in
add-applications/C/add-applications.xml:162(para)
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29.
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Enter the <guilabel>APT line</guilabel> for the extra repository. This should be available from the website of the repository or similar, and should look similar to the following:
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(no translation yet)
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Located in
add-applications/C/add-applications.xml:173(para)
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36.
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The Update Manager automatically finds software updates for your computer when they are available. It regularly gathers information on potential updates from a number of online update sources.
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(no translation yet)
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Located in
add-applications/C/add-applications.xml:214(para)
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37.
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If you click <menuchoice><guimenu>Applications</guimenu><guisubmenu>System</guisubmenu><guimenuitem>Software Sources</guimenuitem></menuchoice> and select the <guilabel>Updates</guilabel> tab, you will notice that four update sources are available. An explanation for each of these is provided below:
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(no translation yet)
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Located in
add-applications/C/add-applications.xml:219(para)
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38.
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<emphasis role="strong">Important security updates:</emphasis> Updates which fix critical security flaws are made available through this source. It is recommended that all users leave this source enabled (it should be enabled by default).
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(no translation yet)
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Located in
add-applications/C/add-applications.xml:227(para)
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39.
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<emphasis role="strong">Recommended updates:</emphasis> Updates which fix serious software problems (which are not security flaws) are made available through this source. Most users will want to leave this source enabled as common and annoying problems are often fixed with these updates.
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(no translation yet)
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Located in
add-applications/C/add-applications.xml:235(para)
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