Ubuntu releases

    Ubuntu provides both long-term and short-term support releases. Long-term support releases (LTS), such as Ubuntu 10.14, are released every two years. Short-term releases, such as Ubuntu 10.04, are provided every six months between the LTS versions. They are designed to … Continue reading

    Ubuntu Unity and UNE

    The Ubuntu Netbook Edition (UNE) features the new Unity user interface supporting touch screens. The UNE requires a 3D graphics capability: Intel, Nvidia, and AMD (partially). You  ay have to first login to the standard desktop; install the hardware video … Continue reading

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    Ubuntu Software Repositories

    Four main components or sections make up the Ubuntu repository: main, restricted, universe, and multiverse. These components are described in detail at: http://www.ubuntu.com/community/ubuntustory/components To see a listing of all packages in the Ubuntu repository see: http://packages.ubuntu.com To see available repositories … Continue reading


    In addition to the Ubuntu repository, Ubuntu maintains several other repositories used primarily for maintenance and support for existing packages. The updates repository holds updated packages for a release. The security updates repository contains critical security package updates every system … Continue reading

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    KOffice is an integrated office suite for the K Desktop Environment (KDE) consisting of several office applications, including a word processor, a spreadsheet, and graphics applications. You can download it from the Ubuntu Software Center | Office | KOffice, or … Continue reading


    Several office suites are now available for Ubuntu. These include professional-level word processors, presentation managers, drawing tools, and spreadsheets. The freely available versions are described in this chapter. OpenOffice is currently the primary office suite supported by Ubuntu. KOffice is … Continue reading

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    Many GNOME-based applications make use of GStreamer, a streaming media framework based on graphs and filters (http://gstreamer.freedesktop.org). Using a plug-in structure, GStreamer applications can accommodate a wide variety of media types: The Totem video player uses GStreamer to play DVDs, … Continue reading

    Multimedia support

    A listing of popular multimedia codecs available is shown in Table Of particular interest may be the liba52, faad2, and lame codecs for sound decoding, as well as the xvidcore, x264, libdvdcss, and libdvbpsi for video decoding. Ubuntu provides a … Continue reading

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    Thunderbird is a full-featured stand-alone e-mail client provided by the Mozilla project (http://www.mozilla.org). It is designed to be easy to use, highly customizable, and heavily secure. It features advanced intelligent spam filtering, as well as security features like encryption, digital … Continue reading


    You can use the SquirrelMail Web mail tool to access mail from Internet email services using your Web browser. It will display a login screen for mail users. It features an inbox list and message reader, support for editing and … Continue reading

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    Java for Linux

    To develop Java applications, use Java tools, and run many Java products, you use the Java 2 Software Development Kit (SDK) and the Java 2 Runtime Environment (JRE). The SDK is a superset of the JRE, adding development tools like … Continue reading

    Web Browsers

    Popular browsers for Ubuntu include Firefox (Mozilla), Rekonq, Chromium (Google), Epiphany, and Lynx. Firefox is the default Web browser used on most Linux distributions, including Ubuntu. Rekonq is the KDE Web browser, accessible from the KDE desktop, and Epiphany is … Continue reading

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    System Tools

    Useful system tools as well as user specific configuration tools can be found in the Applications | System Tools, System | Preferences, System | Administration, and Applications | Accessories menus. The Administration menu holds tools like the System Monitor for checking on resource … Continue reading

    System Setting and Scheduling

    System Testing Ubuntu provides a hardware testing utility to check your hardware and report any problems. You are encouraged to set up an account at www.launchpad.net where you can send your results (System | Administration | System Testing). Each major … Continue reading

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    Ubuntu Administrative Tools

    On Ubuntu, administration is handled by a set of specialized administrative tools, such as those for user management and printer configuration. To access the desktop-based administrative tools, you log in as a user who has administrative access. You created this … Continue reading


    PolicyKit will control access to certain applications and devices. It is one of the safest ways to grant a user direct access. PolicyKit configuration and support is already set up for you. A new version of PolicyKit, PolicyKit-1, is now … Continue reading

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    Drag-and-Drop Files to the Desktop

    Any icon for an item that you drag-and-drop from a file manager window to the desktop also appears on the desktop. However, the default drag-and-drop operation is a move operation. If you select a file in your file manager window … Continue reading


    For 3D support, you can use compositing window manager support provided by Compiz-fusion. Windows are displayed using window animation, allowing windows to wobble, bend, and move in unusual ways. Desktops can also be accessed using 3D tools like the Desktop … Continue reading

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    The Kubuntu edition of Ubuntu installs KDE as the primary desktop from the Kubuntu install disc. Kubuntu officially supports and installs KDE 4.4. You can download this disc from the Kubuntu site at: http://www.kubuntu.org/ You can also download the discs … Continue reading

    The KDE 4 Desktop

    One of KDE’s aims is to provide users with a consistent integrated desktop. KDE provides its own window manager (KWM), file manager (Dolphin), program manager, and desktop and panel (Plasma). You can run any other X Window System–compliant application, such … Continue reading

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