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    Getting started with Linux

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    There are 3 main componentson the desktop: the MenuSystem the Panel theDesktop itself

    The main menu can beaccessed by clicking on theMain Menu button located atthe extreme lower left handcorner of the desktop. Thismay be portrayed by one ofseveral icons depending onthe desktop environment used.Here is Icon of GNOME mainmenu button and Fedora Redhat menu button

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    Main Menu

    Menu System consists of a

    Main Menu panel and sub-

    menu panels. From the

    Menu System you can startmany of the applications

    installed on your Linux

    system

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    Panel

    The long bar across the bottom of the

    desktop screen is called the Panel. The

    Panel contains the Main Menu icon, the

    application launcher icons, a notificationarea and applets.

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    Installed by default are several application launcher icons on the

    Panel. Clicking on one of these will run an application. Commonly

    accessed applications can be added to the Panel and those that are

    less frequently used can be taken off.

    The notification area holds alert icons so that the user

    can be alerted to critical messages.

    Applets are small applications that run on the Panel.These usually perform useful and informative tasks like

    setting the sound level of the soundcard, monitoring

    whether the system software needs an update, etc. By

    default the following applets are run.

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    Workspace Switcher

    The graphical desktop can be regarded as aworkspace drawing an analogy with theworking area on a real physical tabletop.

    Programs are run, documents displayed andfiles opened on the workspace.

    To cut down on workspace clutter and toenable the user to organise his workspacemore efficiently, the graphical desktopenvironment allows the usage of multipleworkspaces.

    Each workspace can be considered as a virtual

    desktop.

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    Taskbar

    The Taskbar applet is located next to the workspace switcher and

    shows the titles of all the running applications in a virtual desktop (a

    workspace)

    The Desktop space refers to the rest of the screen. It

    contains icons which are graphical representations ofshort-cuts to application launchers, file folders, files and

    peripheral devices like floppy disks, CD-ROM drives and

    printers. Double-clicking on an icon representing an

    application will launch or execute the application.Commonly used applications and/or files/folders are

    usually placed on the desktop space.

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    Titlebar

    When an application is started

    an application window opens

    and a frame is placed around

    the window of the application.

    The top edge of the frame hasa titlebar that contains the title

    of the application

    At the left hand corner of the

    titlebar is theWindow Menu

    button. Clicking on this button

    will open up theWindow Menu

    At the right edge of the titlebar

    there are three buttons which

    allow you to minimise,

    (un)maximise and close the

    window.

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    Desktop Customization

    After running the Help application choose: Desktop --> Basic

    Preferences

    Desktop Background

    The background image displayed on the desktop can be changed by

    running the Background application from the Main Menu

    Main Menu --> Preferences --> Background

    Desktop Themes The theme used by the Desktop can be changed by

    running the Theme application from the Main Menu(this is in the Preferences sub-menu).

    Main Menu --> Preferences --> Theme

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    Changing Font

    Default Fonts The default fonts used to display

    applications and the desktop

    background can be changed by

    running the Fonts application fromthe Main Menu (this is in the

    Preferences sub-menu).

    Main Menu --> Preferences -->

    Font

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    Menus&toolbars

    Menus and Toolbars The Menus & Toolbars tool is

    used to customise the appearance

    of menus, menubars, and

    toolbars. Again this can be runfrom the Preferences sub-menu in

    the Main Menu.

    Main Menu --> Preferences -->

    Menus & Toolbars

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    Applets

    The Panel houses many useful utilities called applets. Applets are small

    applications that run on the Panel Panel include: Clock, sticky notes, and

    volume control

    To place an applet on the Panel, move the mouse over to an empty space

    on the Panel and right-click it. Select the item "Add to Panel" and from the

    sub-menus select the applet to place on the Panel. To prevent accidental

    removal of an applet, you can lock it on the Panel by right-clicking on its

    icon and selecting "Lock

    Removing an Applet from the PanelTo remove an applet, right-click on

    the applet icon and select "Remove from Panel". If the applet is locked, you

    will have to unlock it first by right-clicking on the icon and selecting "Unlock".

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    Launcher

    Launchers allow the user a quick way to access specific resourceson the system. For example if a user needs to access a specific file

    in one of the folders often, he can create a launcher to run an

    application to open the file and this launcher can be placed it on the

    Desktop

    To create a launcher on the Desktop, right-click on anempty area on the Desktop and select the item "Create

    Launcher". Enter the Name and the Command to run

    and if you want you can select an icon for it by clicking

    on the icon button

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