The Linux XFree86 HOWTO
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# 5. Running XFree86

With your `XF86Config` file configured, you're ready to fire up the X server and give it a spin. First, be sure that `/usr/X11R6/bin` is on your path.

The command to start up XFree86 is

    startx

This is a front-end to xinit (in case you're used to using xinit on other UNIX systems).

This command will start the X server and run the commands found in the file `.xinitrc` in your home directory. `.xinitrc` is just a shell script containing X clients to run. If this file does not exist, the system default `/usr/X11R6/lib/X11/xinit/xinitrc` will be used.

A standard `.xinitrc` file looks like this:

    #!/bin/sh

    xterm -fn 7x13bold -geometry 80x32+10+50 &
    xterm -fn 9x15bold -geometry 80x34+30-10 &
    oclock -geometry 70x70-7+7 &
    xsetroot -solid midnightblue &

    exec fvwm2

This script will start up two xterm clients, an oclock, and set the root window (background) color to midnightblue. It will then start up fvwm2, the window manager. Note that fvwm2 is executed with the shell's exec statement; this causes the xinit process to be replaced with fvwm2. Once the fvwm2 process exits, the X server will shut down. You can cause fvwm2 to exit by using the root menus: depress mouse button 1 on the desktop background -- this will display a pop up menu which will allow you to Exit Fvwm2.

Be sure that the last command in `.xinitrc` is started with exec, and that it is not placed into the background (no ampersand on the end of the line). Otherwise the X server will shut down as soon as it has started the clients in the `.xinitrc` file.

Alternately, you can exit X by pressing ctrl-alt-backspace in combination. This will kill the X server directly, exiting the window system.

The above is a very, very simple desktop configuration. Many wonderful programs and configurations are available with a bit of work on your `.xinitrc` file.

If you are new to the X Window System environment, we strongly suggest picking up a book such as The Joy of X: An Overview of the X Window System by Niall Mansfield (Addison-Wesley 1993, ISBN 0201-565129). Using and configuring X is far too in-depth to cover here. See the man pages for xterm, oclock, and fvwm2 for clues on getting started.

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