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

    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

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    Gnome file manager

    You can access your home directory from its entry in the Places menu. A file manager window opens showing your home directory. Your home directory will already have default directories created for commonly used files. These include Pictures, Documents, Music, … Continue reading

    Shut down and Logging out

    To shut down from the GNOME desktop, click the Shut down icon on the right side of the top panel to open the user switcher menu (Indicator Applet Session applet). The Shut down options will be shown at the bottom … Continue reading

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    Medibuntu.org repository configuration

    For applications and codecs with licensing issues, like FFmpeg unrestricted support, Real Player, Google Earth, and the DVD Video commercial decoder (libdvdcss), you access the Medibuntu.org repository, medibuntu.org. Table lists some of the applications and codec available on the Medibuntu … 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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    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


    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

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    Evolution is the primary mail client for the GNOME desktop. It is installed by default along with OpenOffice. Though designed for GNOME, it will work equally well on KDE. Evolution is an integrated mail client, calendar, and address book. The … 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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    Epiphany, Chromium, Lynx and ELinks

    Epiphany Epiphany is a GNOME Web browser designed to be fast with a simple interface. You can install Epiphany from the Ubuntu Software Center | Internet | Web Browsers page. You can find out more about Epiphany at http://projects.gnome.org/epiphany/. Epiphany … Continue reading

    URL Addresses

    An Internet resource is accessed using a Universal Resource Locator (URL). A URL is composed of three elements: the transfer protocol, the hostname, and the pathname. The transfer protocol and the hostname are separated by a colon and two slashes, … Continue reading

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    GNOME System Monitor

    Ubuntu provides the GNOME System Monitor for displaying system information and monitoring system processes, accessible from System | Administration | System Monitor. There are four tabs; System, Processes, Resources, and File Systems. The System tab shows key system information beginning … Continue reading

    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

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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

    System Administration

    Most administrative configurations tasks are performed for you automatically. Devices like printers, hard drive partitions, and graphics cards are detected and set up for you. There are cases where you may need to perform tasks manually like adding new users and installing … Continue reading

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    KDE Social Desktop

    KDE provides a set of Internet applications as part of the KDE Social Desktop initiative. The social desktop is based on a Web API called the Open Collaboration Services (OCS) that allows applications to interface easily with Internet services like … Continue reading

    Kopete, Ekiga, Skype

    Kopete For KDE you can use Kopete, the KDE Instant Messenger client. Kopete features a simple interface with a Status menu for selecting your availability such as Available, Away, and Busy. You can also add a new status, giving it … Continue reading

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    GNOME Help and Desktop

    GNOME Help The GNOME Help browser (Yelp) provides a browser-like interface for displaying the GNOME user’s manual, Man pages, and info documents. You can select it from the System menu (System | Help and Support). It features a toolbar that … 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 K Desktop Environment (KDE)

    The K Desktop Environment (KDE) is a desktop that includes the standard desktop features, such as a window manager and a file manager, as well as an extensive set of applications that cover most Linux tasks. The KDE version of … Continue reading


    If you are using the KDM to login, a box will be displayed at the center of the screen where you can enter your user name and password. Shutdown and Session (down arrow) menus are displayed at the bottom left … Continue reading

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    Filename Expansion: *, ?, [ ]

    Filenames are the most common arguments used in a command. Often you will know only part of the filename, or you will want to reference several filenames that have the same extension or begin with the same characters. The shell … Continue reading

    The Command Line

    The shell is a command interpreter that provides a line-oriented interactive and non-interactive interface between the user and the operating system. You enter commands on a command line; they are interpreted by the shell and then sent as instructions to … Continue reading

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