Chapter 4: Working with the Desktop Add a (Best web hosting)
Chapter 4: Working with the Desktop Add a graphical user interface (GUI) to an otherwise unintuitive operating system, and it immediately becomes something anyone can use. Icons can represent programs and files. Clicking a mouse button can start applications. In keeping with other UNIX-like systems, Linux uses the X Window System (also referred to as X11 or just X) as the framework for its graphical desktop. On top of this framework, Red Hat Linux lets you choose either (or both) of two powerful desktop environments: GNOME and KDE. This chapter describes how to get your X environment working, start up the desktop, and use the GNOME and KDE desktop environments. It also describes a variety of X features you can use to manipulate the desktop. Configuring Your Desktop If you installed Red Hat Linux as a desktop system and everything went smoothly, you should have configured your video card and chosen a desktop environment (GNOME or KDE). If so, you can skip ahead to the Starting the X Desktop section. If you were unable to configure your desktop or if you need to change it (for example, you may have added a video card or changed your monitor), this section is here for your reference. If Red Hat Linux has been successfully installed (along with the desired desktop environment) but the GUI wasn’t configured properly, you will only see a simple text-based login prompt when you start Red Hat Linux. This login prompt may look something like this: Red Hat Linux release 7.2 Kernel 2.4 on an i686 YourComputer login: Log in as the root user. Because there is no graphical desktop interface set up yet, you need to do some work from the shell command line. First, try the Xconfigurator command. Running Xconfigurator The Xconfigurator command can be used to set up the links and configuration files needed to run your graphical X desktop environment. It checks that the correct X server is installed and configures the /etc/X11/XF86Config file. The following is an example of an Xconfigurator session: 1. Type Xconfigurator from the shell prompt (as the root user). A welcome screen appears. 2. Highlight the Ok button (using tab and arrow keys) and press Enter. Xconfigurator probes for your video card. If it finds one, it displays the name of the card, the X server, and the Xfree4 driver. 3. Highlight Ok and press Enter to continue. A list of monitors appears. 4. Select the type of monitor you are using. You can use Page Up and Page Down to search through the list. Type a letter to go directly to a monitor name that begins with that letter. Highlight the correct monitor, highlight Ok, and press Enter. The next window asks you to identify your video memory. Note If your monitor is not on the list, select Custom. To install a custom monitor, you need to determine the vertical refresh rate and the horizontal sync rate to properly configure your
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