Ubuntu Editions

    Ubuntu is released in several editions, each designed for a distinct group of users or functions. Editions install different collections of software such as the GNOME desktop, the KDE desktop, servers, educational software, and multimedia applications. Table 1-2 lists the … Continue reading

    Ubuntu 10.10

    Ubuntu 10.10 introduces several new features, as well as numerous smaller modifications. It is a short-term support release. The more dramatic changes include changes to the Ubuntu Software Center, Ubuntu One setup and configuration, a new photo manager called Shotwell, … Continue reading

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    Ubuntu Package Management Software

    Although all Ubuntu software packages have the same DEB format, they can be managed and installed using different package management software tools. The underlying software management tool is APT. The Ubuntu Software Center is now the primary interface for locating … Continue reading

    Installing and Updating Software

    Ubuntu software distribution is implemented using the online Ubuntu software repositories, which contain an extensive collection of Ubuntu-compliant software. With the integration of repository access into your Linux system, you can think of that software as an easily installed extension of your current … 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

    Graphics Applications

    Ubuntu includes a wide range of graphics and multimedia applications, including simple image viewers such as GwenView, sophisticated image manipulation programs like GIMP, music and CD players like Rhythmbox, and TV viewers like Totem. Several helpful Linux multimedia sites are listed in Table. … Continue reading

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    Mail Clients

    Ubuntu supports a wide range of both electronic mail and news clients. Mail clients let you send and receive messages to and from other users on your system or users accessible from your network. News clients let you read articles … Continue reading

    Command Line Mail Clients

    Several mail clients use a simple command line interface. They can be run without any other kind of support, such as the X Window System, desktops, or cursor support. They are simple and easy to use but include an extensive … Continue reading

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    Firefox Configuration

    The Preferences menu (Edit | Preferences) in Firefox enables you to set several different options. There are preference buttons for Main, Tabs, Content, Applications, Privacy, Security, and Advance. On the Main page, you can set you home page, download options, … Continue reading

    Web Clients

    Ubuntu provides powerful Web, FTP, and messaging clients for accessing the Internet. Many of these applications are installed automatically and are ready to use when you first start up your Ubuntu system. Ubuntu also includes full Java development support, letting you … 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

    Managing Process

    Should you have to force a process or application to quit, you can use the Gnome System Monitor Processes tab to find, select, and stop the process. You should be sure of the process you want to stop. Ending a … Continue reading

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    Controlled Administrative Access

    To access administrative tools, you have to login as a user who has administrative permissions. The user that you created during installation is given administrative permissions automatically. Log in as that user. When you attempt to use an administrative tool, … 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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