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97.
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In some cases, restricted software is the only option. Such cases include software for the playback of certain audio and video formats, some fonts and <ulink type="help" url="ghelp:hardware#jockey">drivers for some graphics cards</ulink>.
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(no translation yet)
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Located in
add-applications/C/add-applications.xml:411(para)
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100.
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Overview of the default Ubuntu software repositories
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(no translation yet)
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Located in
add-applications/C/add-applications.xml:440(title)
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104.
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To organize the software, Ubuntu repositories are categorized 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:457(para)
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108.
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Update repositories
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(no translation yet)
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Located in
add-applications/C/add-applications.xml:489(title)
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113.
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<emphasis role="strong">Pre-released updates:</emphasis> Updates which are currently being tested before being released to everyone are provided through this update source. If you would like to help test new updates (and get fixes for problems more quickly), enable this source. Be aware that these updates may not yet be well tested; it is not recommended that you enable this source unless you are prepared to experience occasional problems.
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(no translation yet)
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Located in
add-applications/C/add-applications.xml:519(para)
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114.
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<emphasis role="strong">Unsupported updates:</emphasis> When new versions of popular software are released they are sometimes <quote>back-ported</quote> to an older version of Ubuntu so that users can benefit from new features and fixes for problems. These backports are unsupported, may cause problems when installed and should only be used by people who are in desperate need of a new version of a software package which they know has been backported.
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(no translation yet)
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Located in
add-applications/C/add-applications.xml:530(para)
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